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प्रश्न
How are carbon dioxide and urea, excreted by the foetus, removed?
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उत्तर
Impurities from foetal blood, such as CO2 and urea, diffuse into the mother's bloodstream.
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.
Describe the functions of Amnion
Mention three functions of the placenta.
Describe briefly the ways how a mammalian embryo is protected
Give Reasons
The full-grown human embryo respires but does not breathe.
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
How the embryo inside the uterus is protected from jerks or mechanical shocks.
Name the following:
Two hormones secreted from placenta.
Amniotic fluid serves to provide oxygen to the foetus.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Foetus.
- Where is it contained?
- How does it differ from embryo?
