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प्रश्न
Mention three functions of the placenta.
उत्तर
- It connects the fetus with the uterus of mother.
- It helps in the exchange of nutrients, gases and waste products between mother and the foetus.
- It acts as an endocrine gland and secretes chorionic gonadotropin hormone which maintains the pregnancy.
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संबंधित प्रश्न
Name the following:
The membrane which protects the foetus and encloses a fluid
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
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:
Amnion and allantois
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
Name the following:
The structure which connects the placenta and the foetus.
Study the diagram given below and then answer the questions that follow:
(i) Name the parts labeled 1 and 2. State the function of each part.
(ii) State any one function of the amniotic fluid.
(iii) What is the role of the umbilical cord in the development of the fetus?
(iv) Name the part in the diagram which is endocrine in nature.
Give Technical Term:
The part in the uterus which is concerned with the supply of nutrition from the mother to the fetus.
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Amniotic fluid serves to provide oxygen to the foetus.
