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प्रश्न
Mother's blood flows into the foetus through placenta.
पर्याय
True
False
उत्तर
This statement is False.
Explanation:
The placenta separates the mother's and foetal blood. The placenta separates the maternal and foetal circulations, allowing for the exchange of oxygen, nutrients, and waste products without direct blood mixing.
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.
Implantation.
- The development stage that undergoes this process.
- The approximate time after fertilisation, when it occurs.
Differentiate between:
Impotency and sterility
What changes occur at the time of birth?
Complete the following sentences with appropriate word:
The embryo inside the uterus is protected from jerks or mechanical shocks by ________
Write the functional activity of the following structure:
Placenta
During pregnancy, which hormones are secreted by the placenta?
All are functions of placenta, EXCEPT ______.
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 |
Name the following:
Two hormones secreted from placenta.
Distinguish between the following pair:
Placenta and umbilical cord
