Question

When are fertilized egg E formed in the ovary talk to human female divides repeatedly to form an embryo the embryo gets implanted into the thick and soft lining of the uterus. after t h i s disc like special tissues T develops between the uterus wall and embryo through which all all the requirements of the developing embryo and foetus from the Mother's body the embryo is is connected to the tissues T like structure S
a. What is the other name of the fertilized egg cell.
b. What is the name of the tissue T.
c. Name the string like structure S.
d. Name the two substances which pass from others blood to embryo and, one type of substance which passes from embryo to Mother's blood.
e. What happens to S when the baby is born? Why?

Answer 1

Answer:

A) Zygote and when it starts dividing the formed structure is called foetus or fetus

B) Placenta

C) Umbilical cord

D) Nutrients and oxygen are given

and carbon dioxide and other waste products are given out

E)It flows out along with the child.

as the umbilical cord is attached with it.