Question

placenta is necessary connection between the foetus and the mother?give reason

Answer 1

This is because the food taken by the mother goes to the child in the foetus through the placenta.Through the food the growth of the child increases.So it is necessary....

Answer 2

placenta is a necessary connection between mother and fetus becoz all the waste product , oxygen , nutrition exanget between the mother and fetus through placenta . placeta act as a circulatory medium between mother and fetus .