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प्रश्न
Name the following:
Two hormones secreted from placenta.
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उत्तर
Estrogens and progesterone.
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संबंधित प्रश्न
Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
Gestation
• What is its meaning?
• How long does it normally last?
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.
Describe briefly the ways how a mammalian embryo is protected
Describe briefly the ways how a mammalian embryo is respires
Name the Following
A hollow pear-shaped muscular organ that holds, nourishes and protects the fetus.
Give Technical Term:
The period of intrauterine development of the embryo.
Write the functional activity of the following structure:
Placenta
Which of the following hormones is produced by ovary?
In human beings, the placenta is formed by ______.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
