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प्रश्न
Give biological explanations for The placenta is an important structure for the development of a foetus
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
What are the changes seen in girls at the time of puberty?
When a cell reproduces, what happens to its DNA?
Write the function of the following part in a human female reproductive system:
Fallopian tube
What do the testes in a man produce?
Draw a labelled diagram of the human male reproductive system. With the help of this diagram, describe the working of human male reproductive system?
Name the following:
Organ where implantation takes place.
Draw a labeled diagram of the human female reproductive system.
Mention the importance of the position of the testes in humans.
What is the composition of semen?
______ is a lytic enzyme released by the sperm.
