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प्रश्न
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
पर्याय
A is True and R is False.
A is False and R is True.
Both A and R are True.
Both A and R are False.
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उत्तर
Both A and R are True.
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संबंधित प्रश्न
Name the following:
The fluid surrounding the developing embryo
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite the wrong statement by correcting only one word either at the beginning or at the end of the sentence.
Uterus is also known as birth canal.
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.
Mention three functions of the placenta.
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 protected
Describe briefly the ways how a mammalian embryo is respires
Name the Following
How the embryo inside the uterus is protected from jerks or mechanical shocks.
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Placenta produces certain hormones.
