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प्रश्न
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
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उत्तर
The placenta is the blood vessel-containing cord that connects the embryo to the mother's uterine wall.
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संबंधित प्रश्न
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite the wrong statement by correcting only one word either at the beginning or at the end of the sentence.
Nutrition and oxygen diffuse from the mother’s blood into the foetus’s blood through amnion.
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.
Differentiate between:
Impotency and sterility
What is Placenta?
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
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:
Name a membrane that surrounds the fetus and secretes a protective fluid.
Write the functional activity of the following structure:
Placenta
In human beings, the placenta is formed by ______.
Distinguish between the following pair:
Placenta and umbilical cord
