Sperm had to swim from male to female reproductive organs for fertilization.
Endocrinology is the study of organs that produce hormones involved in fertility and reproduction.
Sperm swim from organs that produce hormones for fertilization.
What swim from organs that produce hormones for fertilization?
Options:
1) sperm
2) toads
3) embryos
4) blood
5) humans
6) eggs
7) seeds
8) ovaries