幫下我呀~又黎一堆科學(請用英文)

3.b)what change will occur in structure uterus if implantation occurs?
c)where does the fusion of egg and sperm occur?
d)can a woman have a boby if structure oviduct is cut and tied?explain you answer.
4.reproduction can be classified into sexual and asexual reproductions,depending on whether_________is involved.
5.eggs are produces in the ___________in the female's boby.