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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
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.
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.
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.
What is Placenta?
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:
Placenta
All are functions of placenta, EXCEPT ______.
List the substances which the foetus receives from the mother through placenta.
Write the specific location of the following:
Placenta
