Question

What is placenta ? Write its structure and explain briefly its function ?

Answer 1

hello.


 the embryo gets nutrition from the mothers blood with the help of a special tisue called placenta

this is disc which is embedded in the uterine wall .it contains villi on the embryo 's side of the tissue . on the mother 's side are blood spaces whici surrounds villi . this provides a larger surface area for glucose and oxygen to pass from mother to the embryo . the developing embyo will also generate waste substances whihi can be removed by tranferring them into mother 's blood through placenta

Hope helps uh.


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Answer 2

placenta is a tissue which connects embryo to mother's body.it is like a long tube which contain arteries and veins .the energy needed by embryo to develop is transferred from mother's body through arteries and veins present in arteries.