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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
Explain the process of fertilization in human beings.
Which part of the human body passes sperms from a man to a woman?
Write the names of female sex hormones.
Why is it an advantage for the testes to be situated in the scrotal sac outside the main body cavity? Can you think of one disadvantage?
What is meant by implantation?
One of the following is not a part of the human male reproductive system. This is
(a) testis
(b) oviduct
(c) seminal vesicle
(d) prostrate gland
In male and female reproductive system of human, ______ gland is same.
Name the following:
Two accessory glands in the male reproductive system.
What do you understand by an inguinal hernia?
Reproductive organs are also considered endocrine glands.
