2
differences between individuals of different sexes
3
process by wich spermatozoon form in the testes
4
hormone segregated by testes
5
incapacity of have children
6
contain an inmature ovum
7
skin covering the testicles
8
phase in wich a person undergoes changes associated with the transittion from childhood to adulthood
9
sac that protects the embryo located in mothers uterus and is filled with amniotic fluid
10
cell formed when spermatozoon and ovum fuse
