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प्रश्न
What is Placenta?
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उत्तर
The placenta is an organ composed of blood capillaries, villi, connecting tissue, and latent endocrinal cells.
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संबंधित प्रश्न
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite of the wrong statements by correcting only one word either at the beginning or at the end of the sentences.
Gestation period in humans is about 380 days.
Name and describe very briefly, the stages in the development of human embryo.
The diagram given alongside is that of a developing human foetus in the womb. Study the same and answer the questions that follows:
Name the parts ‘1’ to ‘5’ indicated by guidelines
Differentiate
Fetus and Embryo.
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
Give Technical Term:
The period of intrauterine development of the embryo.
Complete the following sentences with appropriate word:
The placenta is ________permeable
Which of the following reproductive structures is responsible for secretion of hCG?
All are functions of placenta, EXCEPT ______.
Distinguish between the following pair:
Placenta and umbilical cord
