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प्रश्न
Mother's blood flows into the foetus through placenta.
विकल्प
True
False
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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
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite of the wrong statements by correcting only one word either at the beginning or at the end of the sentences.
Gestation period in humans is about 380 days.
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
Write the functional activity of the following structure:
Amnion
Write the functional activity of the following structure:
Placenta
In human beings, the placenta is formed by ______.
Mention any two functions of the human foetal placenta.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
List the substances which the foetus receives from the mother through placenta.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Morula.
- What is this stage?
- Name the stage which comes next to it?
