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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.
विकल्प
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
What is the significance of amniotic fluid?
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 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.
Differentiate
Fetus and Embryo.
Name the Following
How the embryo inside the uterus is protected from jerks or mechanical shocks.
Write the functional activity of the following structure:
Uterus
Write the functional activity of the following structure:
Amnion
Which of the following hormones is produced by ovary?
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
