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What is the life support system of a fetus?

The fetus gets nutrition from the mother’s blood through a special tissue called placenta. Thus, placenta act as a life support system of a fetus.

Which structures in human female are equivalent to the following structures in the male?

(a) testes

(b) vas deferens

In each case say in what respect the structures are equivalent ?

People who die from AIDS are not killed by the virus itself. Explain.

How long does a human baby take to develop before birth?

What is the name of the narrow opening between the uterus and the vagina.