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प्रश्न
Name the following:
The membrane which protects the foetus and encloses a fluid
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उत्तर
Amniotic membrane
संबंधित प्रश्न
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Placenta
- What are the two sources that form placenta?
- Name any two main substances which pass from foetus to mother through placenta.
- Name any two hormones it produces.
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
Describe briefly the ways how a mammalian embryo is nourished
Explain the term Fetus
Give Technical Term:
A structure which connects the placenta with the fetus.
Complete the following sentences with appropriate word:
The expulsion of the fetus from the body to the mother in a human female is called __________.
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 |
Mention any two functions of the human foetal placenta.
List the substances which the foetus receives from the mother through placenta.
The average gestation period from conception to parturition is approximately how many days?
