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प्रश्न
Placenta produces certain hormones.
पर्याय
True
False
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उत्तर
This statement is True.
APPEARS IN
संबंधित प्रश्न
Name the following:
The body part in which the embryo develops.
Name the following:
The canal through which the testes descend into the scrotum just before birth in human male child.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Hyaluronidase.
- Is it an enzyme or simply a protein?
- What is its function?
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.
Give Reasons
The full-grown human embryo respires but does not breathe.
Differentiate
Uterus and Urethra.
Study the diagram given below and then answer the questions that follow:
(i) Name the parts labeled 1 and 2. State the function of each part.
(ii) State any one function of the amniotic fluid.
(iii) What is the role of the umbilical cord in the development of the fetus?
(iv) Name the part in the diagram which is endocrine in nature.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
When does the placenta remain functional during pregnancy?
Which nitrogenous waste product is removed from the foetus by the placenta through diffusion into maternal bloodstream?
