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प्रश्न
List the substances which the foetus receives from the mother through placenta.
उत्तर
- Oxygen: The placenta exchanges oxygen from the mother's bloodstream to the foetal bloodstream.
- Nutrients/Food: The placenta transfers essential nutrients, such as glucose, from the mother to the foetus to promote their growth.
- Antibodies: The placenta transfers antibodies from the mother to the foetus, giving the baby immunity early in life.
संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The fluid which surrounds the foetus
Name the following:
The body part in which the embryo develops.
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.
Implantation.
- The development stage that undergoes this process.
- The approximate time after fertilisation, when it occurs.
Describe briefly the ways how a mammalian embryo is nourished
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’?
Name the Following
The expulsion of the fetus from the body of the mother.
All are functions of placenta, EXCEPT ______.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
Which of the following cannot pass readily through the placenta to the foetus?
