Science, asked by wwwnarender983p2vw1r, 1 year ago

What is placenta and it's role

Answers

Answered by RiyaThopate
2
(a) Special tissue connection between embryo and uterine wall.
(b) Possesses villi that increases the surface area.
© Facilitate passage of nutrition and oxygen to embryo from mother through blood.
(d) Waste substances produced by embryo are removed through placenta into mother’s blood
Answered by Anonymous
1
Placenta is a special tissue that forms the inner wall of ovary to which one or more obvious are attached.
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