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प्रश्न
Write the functional activity of the following structure:
Placenta
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उत्तर
Its main function is the exchange of materials between mother and the fetus (such as nutrients, respiratory gases, and waste products).
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संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The fluid which surrounds the foetus
Differentiate between:
Follicle and corpus luteum
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.
What changes occur at the time of birth?
Give Technical Term:
The part in the uterus which is concerned with the supply of nutrition from the mother to the fetus.
Give Technical Term:
Name a membrane that surrounds the fetus and secretes a protective fluid.
Match the respiratory surfaces to the organisms in which they are found.
| Organ/ cells | Hormones | ||
| (i) | Corpus luteum | (a) | HCG |
| (ii) | Leydig's cells | (b) | Estrogen |
| (iii) | Placenta | (c) | Progesterone |
| (iv) | Graafian follicle | (d) | Testosterone |
List the substances which the foetus receives from the mother through placenta.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Foetus.
- Where is it contained?
- How does it differ from embryo?
