CBSE BOARD X, asked by Zea9s9wamichal, 1 year ago

What is placenta 7 Describe its structure. State its functions in case of a pregnant human female

Answers

Answered by rahila243
9
plcenta is a disc shaped tissue that is formed in the 4th week of pregnancy which establish and intimate relationship between foetal membrane and uterine wall.

FUNCTIONS:-
☆ It serve as a tissue by supplying nutrients from mothers blood to foetus
☆ It serve as a respiratory organ by forming a surface for the exchange of gases between mother's blood and foetal blood
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