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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
Name the following:
The membrane which protects the foetus and encloses a fluid
Describe the functions of placenta
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
How is Placenta formed? What are its functions?
What changes occur at the time of birth?
Differentiate
Fetus and Embryo.
Complete the following sentences with appropriate word:
The umbilical cord connects _______
All are functions of placenta, EXCEPT ______.
In human beings, the placenta is formed by ______.
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 |
