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प्रश्न
Give biological explanations for The placenta is an important structure for the development of a foetus
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उत्तर
The placenta allows diffusion of food and oxygen from mother to foetus and that of nitrogenous waste and CO2 from foetus to mother
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संबंधित प्रश्न
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong :
Prostate gland, Cowper’s gland, seminal vesicle, seminiferous tubules
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Mention two functions of human testes.
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(a) process of mating
(b) formation of sperms
(c) easy transfer of sperms
(d) all the above
Write two examples of sexually transmitted diseases caused by virus.
Explain how the transmission of virus and bacteria diseases be prevented?
Describe in brief the role of seminal vesicle in human male reproductive system.
Choose the correct answer:
When pregnancy does not occur, the life of corpus luteum is about _____________
