Home

What is placenta also write its function class 10

Functions of placenta The placenta is the passage that unites the fetus to the mother. Transmission of nutrients and oxygen from mother to the fetus and the release of carbon dioxide The waste materials from the fetus is excreted through the placenta IT HAS FINGER LIKE VILLI ON THE EMBRYO SIDE AND ON MOTHER'S SIDE THERE ARE BLOOD SPACES WHICH SURROUNDED THE VILLI. FUNCTION : IT PROVIDES LARGE SURFACE AREA FOR GLUCOSE AND OXYGEN TO PASS IT FROM MOTHERS BODY TO THE DEVELOPING EMBRYO. THE DEVELOPING EMBRYO GETS ITS NUTRITION FROM PLACENTA. I HOPE MY ANSWER HELPED YOU OUT Class-10 » Science. How do Organisms Reproduce. What is placenta? Also write its two functions ? Share with your friends. Share 8. Placenta is the circular organ present in the uterus of pregnant mammals which is required for the nourishment and maintenance of the fetus. It performs various function like: 1) Nutrition : It helps to transport. Placenta refers to the temporary vascular organ found in mammals, which attaches the fetus to the uterus of the mother during pregnancy. The placenta is the passage that unites the fetus to the mother. The placenta facilitates the exchange of nutrients and oxygen to the fetus

Answer: 2 on a question What is placenta . also write it's function - the answers to smart-answers-in.co Placenta in human female is a complex double layer spongy vascular tissue formed by the joint activity of maternal and foetus tissues on the wall of uterus that is meant for attachment, nourishment and waste disposal of the fetus. This is a disk which is embedded in the uterine wall and transfers glucose and oxygen from The Mother to the embryo

Describe in brief the structure and function of placenta

Placenta: Placenta is a special umbilical cord that develops in the fourth week of pregnancy. It establishes an intimate connection between the foetal membrane and the uterine wall. Function of placenta: The exchange of materials between the mother's blood and the blood of foetus takes place through the placenta Q.What is placenta? Describe its structure. State its functions in case of pregnant human female. Ans. Placenta is a special tissue that helps the human embryo in obtaining nutrition from mother's blood. Structure Placenta is a disc-like structure embedded in the Uterine wall. It contains villi on the side of the embryo. It contains blood spaces, [

What are the functions of placenta class 10? - Brainly

  1. Definition of the Placenta The placenta is a flattened circular organ in the uterus of pregnant mammals that nourishes and maintains the fetus through the umbilical cord. This cord is the main link..
  2. Placenta abruption could result in an emergency situation requiring early delivery. Placenta previa. This condition occurs when the placenta partially or totally covers the cervix — the outlet for the uterus. Placenta previa is more common early in pregnancy and might resolve as the uterus grows
  3. The anther is a yellowish, sac-like structure, involved in producing and storing the pollens. The filament is a slender, threadlike object, which functions by supporting the anther. Pistil: This is the innermost part and the female reproductive organ of a flower which comprises three parts -stigma, style and ovary
  4. Functions: -Primary role is to feed the fetus. It transmits the nutrition from mother's blood to the embryo. -Excretion of unwanted stuff is carried out. -It also acts as a protective membrane and provides immunity. The embryo gets its nutrition inside the uterus with the help of a special tissue, called placenta
  5. The placenta also releases several protein hormones, which include human chorionic gonadotrophin' data-content='1392' >human chorionic gonadotrophin, human placental lactogen, placental growth hormone, relaxin and kisspeptin. Human chorionic gonadotrophin is the first hormone to be released from the developing placenta and is the hormone that.
  6. Functions of Lymph. 1) It supplies nutrition and oxygen to those parts where blood cannot reach. 2) It drains away excess tissue fluids. 3 Lymph returns proteins to the blood from the tissue spaces. 4) Fats from the intestine are also absorbed through the lymph. 5) The lymphocytes and monocytes of lymph act as defensive cells of the body

What is placenta ? Mention its role during pregnancy. or What is placenta ? Explain its function in humAnswer: Answer: Placenta is a special tissue connection between embryo and uterine wall. It acts as an endocrine gland. Role of placenta: It possesses villi that increase the surface area for absorption of nutrients ADVERTISEMENTS: Useful Study Notes on Placenta: Structure and Functions (Explained with Diagram) Structure: Placenta is a structure that establishes firm connection between the foetus and the mother. From the outer surface of the chorion a number of finger like projections known as chorionic villi grow into the tissue of the uterus. These villi penetrate the [

What is placenta Also write its two functions - Science

(a) i . Ovary - They produce eggs or the female gamete. They also prodece the female hormone estrogen which brings about the development of secondary sexual characters in females. (ii) Oviduct - Carries the mature egg to the uterus. The oviduct provide the place for fertilisation to occur. (iii) Uterus - It nurturing the fertilized ovum that develops into the fetus and holding and supporting. The placenta is the composite structure of embryonic and maternal tissues that supply nutrients to the developing embryo. The placenta serves three main functions: Attach the fetus to the uterine. The placenta serves the functions of organs such as the lungs, kidneys, and liver until your fetus develops them. Some of the main functions that the placenta performs include (1) (3): Respiratory, excretory, nutritive, endocrine, barrier function, immunological function. Supplying oxygen and output of co2 is done via simple diffusion. Nitrogenous waste crosses the placenta and is removed by mother's kidney. (v) Antibodies also cross the placenta and provide immunity to the baby. (b) Ways of preventing pregnancy: (i) Natural methods: In this method, sexual act is avoided from day 10 th to 17 th of the menstrual cycle since during this period ovulation is expected. Therefore.

The placenta is unique in that it is an organ which arises from the tissue of two genetically distinct organisms; part of the placenta develops from the tissue of the mother's uterine wall, while another part develops from the fetus' own tissue. After the blastocyst which will develop into the fetus makes contact with the uterine wall, blastocyst and maternal tissue grow together to form a. Placenta is a disc like structure present in mother's (womb) uterus to feed the growing embryo. Two function are, 1>It nourish the embryo. 2>It removes out waste material through it Selina Solutions Concise Biology Class 10 Chapter 13 The Reproductive System, reproduction is the formation of new individuals by sexual or asexual means, which can repeat the process in their own turn. Topics related to this chapter are patterns of reproduction, reproduction in humans, menstrual cycle, implantation and pregnancy and placenta

Write the equation of the chemical reaction of the formation of 'Y' and also write the role of sulphuric acid in the reaction. [2] Answer: X = CH 3 CH 2 OH-ethanol Y = CH 2 = CH 2-ethene CH 3 Describe in brief the structure and function of placenta. [5] Its function is to focus the incoming light rays from the object on the retina. Placenta helps in the exchange of gases such as carbon dioxide and oxygen between the mother and the foetus thus playing an important role in foetal respiration. Oxygen from the maternal blood dif­fuses into the foetal blood while the carbon dioxide from the foetal blood is taken into the maternal blood. 3 (a) Write the functions of the following parts in human female resproductive system : Ovary; Oviduct; Uterus. (b) Describe the structure and function of placenta. (CBSE Delhi 2016, A.I. 2017) Answer: (a) Ovary. Formation of ova and secretion of hormones, estrogen and progesterone. Fallopian Tube. Passage of ovum, site for fertilization. Uterus

Placenta Definition: Discover the meaning of placenta, its

After implantation, a special tissue called placenta develops which connects embryo to the uterine wall. Placenta provides nutrients and oxygen to the embryo which are obtained from the rich blood supply of the uterine wall. Extra Questions for Class 10 Science Chapter 8 Long Answer Type. Question 1 Functions. It is the primary antibody produced in the secondary immune response. It crosses the placenta barrier giving up to six months of protection to the baby inside the womb. It is an effective complement activator, specifically immunoglobulin G3. It helps immobilize bacteria. It has the ability to neutralize toxin and viruses. (8, 9, and 10 The uterus, also known as the womb, is the hollow, pear-shaped organ in the female pelvis in which fertilization of an ovary (egg), implantation of the resulting embryo, and development of a baby take place. It is a muscular organ that both stretches exponentially to accommodate a growing fetus and contracts in order to push a baby out during. 10th Science Chapter 8 Board Questions Set - 2 (1 Mark) Name a plant that has lost the capacity to produce seeds. [CBSE 2013] Banana. Cell division is a type of reproduction in unicellular organisms.. Justify. [CBSE 2013] Unicellular organisms, e.g., Amoeba, reproduce by cell division. A parent cell can divide into two or more daughter.

What is placenta . also write it's functio

An Operating System acts as a communication bridge (interface) between the user and computer hardware. The purpose of an operating system is to provide a platform on which a user can execute programs in a convenient and efficient manner. An operating system is a piece of software that manages the. 9. Classes — Python 3.9.5 documentation. 9. Classes ¶. Classes provide a means of bundling data and functionality together. Creating a new class creates a new type of object, allowing new instances of that type to be made. Each class instance can have attributes attached to it for maintaining its state. Class instances can also have methods. The placenta is a temporary fetal organ that begins developing from the blastocyst shortly after implantation.It plays critical roles in facilitating nutrient, gas and waste exchange between the physically separate maternal and fetal circulations, and is an important endocrine organ producing hormones that regulate both maternal and fetal physiology during pregnancy

(c) Function of fallopian Tube (part 3): The fallopian tubes carry the ovum released from the ovary to the uterus. Function of infundibulum (part 4): Infundibulum is the funnel shaped distal end of the ovary which picks up the released ovum and pushes it further on its passage into the fallopian tube Diagram Based Questions. Question 1: Given below is a diagram of the lateral section of a testis of a man. Study the same and answer the questions that follow: (i) Label the parts numbered I to 4 of the diagram. (ii) State the functions of the parts labeled 1 and 3 What are the characteristics of the secretory form of IgA? - Produced by plasma cells -B cells reside in the mucosal- associated lymphoid tissue (MALT) - Composed of two monomeric antibody subunits connected by a J-chain. - Found on mucous membranes of genitointestinal, genitourinary and respiratory tracts. - Ab is transported to the surface of.

One of the main functions of the placenta is to allow oxygen in the maternal blood to move into the fetal vessels and carbon dioxide in the fetal blood to diffuse into the mother's blood system. The placenta carries out this exchange of gases as efficiently as the lungs do after birth. In late pregnancy, the placenta contains approximately 120. The placenta is an endocrine gland that is only present during pregnancy. In this lesson, you will learn about the hormones it produces, including human chorionic gonadotropin (hCG), progesterone.

What is placenta? Mention its role

It cross placenta and provide immunity to fetus upto 6 month of age. The immunity is known as natural passive immunity. It can also activate complement. Biological functions: IgG is the major antibody produced in secondary immune response. Ig, IgG3 and IgG4 readily cross the placenta and play important role in protecting the fetus Answer: (i) A sensory nerve is one which sends nerve impulses from a receptor (sense organs) to the central nervous system. (ii) A motor nerve is one which carries the impulses from the central nervous system to an effector. (iii) A mixed nerve is one which carries both sensory and motor fibres. For example, a spinal nerve Write the functional group present in (i) ethanol and (ii) ethanoic acid and also draw their structures. Answer. An 'atom' or 'a group of atoms' which makes a carbon compound reactive and decides its properties (or functions) is called a functional group.

what is placenta explain its function in human female

What is placenta? Describe its structure

Its function is egg formation. Oestrogen is the hormone which is helpful in the formation of egg. Fallopian tube. It is also called as oviduct. Its function is to receive matured egg. Fertilization also takes place in fallopian tube. Uterus. A sac where baby develops. It is also known as mother's womb Sine Function Graph. The sine function graph, also called sine curve graph or a sinusoidal graph is an upside down graph. It repeats after every 36 0 at 2π. Image will be uploaded soon. Inverse Sine Inverse sine is also known as arcsine is a function which helps to measure the angle of a right angle triangle. It can also be denoted as asin or.

Placenta previa is the attachment of the placenta to the wall of the uterus in a location that completely or partially covers the uterine outlet (opening of the cervix).; Bleeding after the 20th week of gestation is the main symptom of placenta previa. An ultrasound examination is used to establish the diagnosis of placenta previa.; Treatment of placenta previa involves bed rest and limitation. It also carries deoxygenated blood and waste products from the fetus to the placenta. When the baby is born, the umbilical cord is cut close to the baby's body, and the stump falls off on its own Communication is the exchange and flow of information and ideas from one person to another; it involves a sender transmitting an idea, information, or feeling to a receiver. Effective communication occurs only if the receiver understands the exact information or idea that the sender intended to transmit Sexual Reproduction in Flowering Plants Important Questions for CBSE Class 12 Biology Flower and its Parts. Sexual reproduction is the process of fusion of haploid gametes, resulting in the production of a diploid zygote, which ultimately develops into a new organism The placenta plays a crucial role in pregnancy, but some problems can affect it, and these can lead to potentially serious complications. Learn about common disorders of the placenta, including.

What Is the Placenta? - Definition, Development & Function

Placenta: How it works, what's normal - Mayo Clini

(iii)Resistance also depends on a material of the conductor. ∴ R = ρ l A (iv) Resistance and resistivity also depend on temperature. (b) Metal are good conductors of electricity because they have free electrons to conduct electricity. Whereas glass does not have free electrons hence it is a bad conductor of electricity Operating System (OS) is one of the core software programs that runs on the hardware and makes it usable for the user to interact with the hardware so that they can send commands (input) and. Identify X and Y and write the chemical equation of the reactions involved. On heating blue coloured powder of copper (II) nitrate in a boiling tube, black copper oxide, O 2 and a brown gas X is formed. Identify the type of reaction and the gas X. Write balanced chemical equation of the reaction. Write the pH range of aqueous solution of the gas X The position of your placenta will be recorded at your 18- to 21-week ultrasound scan. If your placenta is significantly low, you'll be offered an extra ultrasound scan later in your pregnancy (usually at about 32 weeks) to check its position again. For 9 in every 10 women, the placenta will have moved into the upper part of the womb by this point

Vertebrates inevitably die of infection if they are unable to make antibodies. Antibodies defend us against infection by binding to viruses and microbial toxins, thereby inactivating them (see Figure 24-2). The binding of antibodies to invading pathogens also recruits various types of white blood cells and a system of blood proteins, collectively called complement (discussed in Chapter 25) 1)They increase the heart beat to supply more oxygen to muscles. 2)It helps the body to control blood sugar. 4)It controls increase in breathing rate due to contraction of diaphragm and rib muscles. It is the largest endocrine gland.It is bilobed,situated in neck region.It secretes hormone thyroxine

10th Science Chapter 6 Board Questions Set - 9 (5 Marks) (a) Write the mechanism by which fishes breath in water. (b) Name the balloon like structures present in lungs list its two function. (c) Name the respiratory pigment and write its role in human being. [CBSE 2017, 2018 In this page, you can find CBSE Class 10 Science Chapter 6 Extra Questions and Answers Life Processes Pdf free download, NCERT Extra Questions for Class 10 Science will make your practice complete. Write its main function. Answer: Its opening is also guarded by a valve, having 3 semilunar flaps..

It also gives advice to these bodies whenever required. It supervises the community development programmes of the district. Question 10. What is Gram Sabha? Mention its important functions. Answer: Gram Sabha is one of the three main bodies of the panchayat system. It consists of all adult men and women in a village. Its functions are C++ Classes and Objects. Class: A class in C++ is the building block, that leads to Object-Oriented programming. It is a user-defined data type, which holds its own data members and member functions, which can be accessed and used by creating an instance of that class. A C++ class is like a blueprint for an object

Parts Of A Flower And Its Function

A class is a user-defined blueprint or prototype from which objects are created. Classes provide a means of bundling data and functionality together. Creating a new class creates a new type of object, allowing new instances of that type to be made. Each class instance can have attributes attached to it for maintaining its state Q.13. What is Gram Sabha ? Mention its functions. Ans. Every adult of the village who is 18 years of age constitute the Gram Sabha. (i) It is the decision-making body of the entire village. (ii) The village Panchayat works under the supervision of the Gram Sabha. (iii) It approves the annual budget of the Gram Panchayat Tools and Their Functions. • Distinguish between scientific fact and opinion. • Ask questions about objects, organisms, and events. • Understand that all scientific investigations involve asking and answering questions and comparing the answer with what is already known. • Plan and conduct a simple investigation and understand that.

Functions do specific things, classes are specific things. Classes often have methods, which are functions that are associated with a particular class, and do things associated with the thing that the class is - but if all you want is to do something, a function is all you need. Essentially, a class is a way of grouping functions (as methods. Concrete diction is the use of words for their literal meanings and often refer to things that appeal to the senses. The meaning is not open to interpretation because the writer is specific and detailed in their phrasing. For example, the sentence: I ate an apple.. Poetic diction 1. You cannot use references in Java, so a swap function is impossible, but you can use the following code snippet per each use of swap operations: T t = p p = q q = t. where T is the type of p and q. However, swapping mutable objects may be possible by rewriting properties

Answer: All our sense organs such as eye, ear, nose, tongue and skin receive stimuli from the environment and pass it on to the central nervous system through the sensory nerves. This is why sense organs are called 'receptors' in the control and coordination system. Question 8 Free PDF download for GSEB Class 10 Social Science Textbooks to score more marks in exams, prepared by expert Subject teachers from the latest edition of CBSE/NCERT books, GSEB - Gujarat Secondary and Higher Secondary Education Board . (Updated for 2021-2022) Board Exams Score high with CoolGyan and secure top rank in your exams An inherited class can contain different logic in its functions. If you have a class: ParentClass and two subclasses: SubClass1, SubClass2 then you can use Python to create the classes as Workplaces depend on the strength of those in management positions. In addition to directing employees, managers must communicate with more senior professionals in their company to ensure the team meets goals and furthers the company's mission.Although the duties of managers differ based on their industry and workplace, most fulfill the same basic responsibilities In this tutorial, we will learn to create friend functions and friend classes in C++ with the help of examples. Friend function allows us to access private class members from the outer class

Describe the function of placenta

A class creates a new local namespace where all its attributes are defined. Attributes may be data or functions. There are also special attributes in it that begins with double underscores __. For example, __doc__ gives us the docstring of that class. As soon as we define a class, a new class object is created with the same name Chapter 10 Light Reflection and Refraction Class 10 Science Important Questions with Answers PDF will help you in scoring more marks. This consists of 1 mark Questions, 3 Mark Numericals Questions, 5 Marks Numerical Questions and previous year questions from Chemical Reactions and Equations Chapter Functions are one of the fundamental building blocks in JavaScript. A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a value, but for a procedure to qualify as a function, it should take some input and return an output where there is some obvious relationship between the input and the output Equivalence Relations and Functions October 15, 2013 Week 13-14 1 Equivalence Relation A relation on a set X is a subset of the Cartesian product X£X.Whenever (x;y) 2 R we write xRy, and say that x is related to y by R.For (x;y) 62R,we write x6Ry. Deflnition 1. A relation R on a set X is said to be an equivalence relation i

Placenta You and Your Hormones from the Society for

Class 12 Important Biology Questions. Class 12 Important Biology Questions is very important resource for students preparing for Class XII board Examination. Question from very important topics are covered here for NCERT Class 12. You will also get idea about the type of questions, you can expect in your Class 12th examination Also, it activates the classical pathway of the complement system while neutralizing toxins. In addition, IgG plays a critical role in antibody-dependent cell-mediated cytotoxicity. IgG is the only form of antibody that is capable of crossing the placenta in order to provide passive immunity to the fetus. IgG has four subclasses Dialysis is primarily used to provide an artificial replacement for lost kidney function (renal replacement therapy) due to renal failure. Dialysis is the artificial process of eliminating waste (diffusion) and unwanted water (ultrafiltration) from the blood. In a healthy man, kidney does this process naturally

In placental mammals, the umbilical cord (also called the navel string, birth cord or funiculus umbilicalis) is a conduit between the developing embryo or fetus and the placenta.During prenatal development, the umbilical cord is physiologically and genetically part of the fetus and (in humans) normally contains two arteries (the umbilical arteries) and one vein (the umbilical vein), buried. Notice that System.out.println(k); is not inside while loop. As there are no curly braces so only the statement k *= i; is inside the loop. The statement System.out.println(k); is outside the while loop, it is executed once and prints value of k which is 60 to the console.. Question 5. Give the output of the following program segment and also mention the number of times the loop is executed The writer class has following methods. writerow() This function writes items in an iterable (list, tuple or string) ,separating them nby comma character. writerows() This function takes a list of iterables as parameter and writes each item as a comma separated line of items in the file. Following example shows use of write() function