Fallopian tubes		is a male hormone that causes the testes to produce sperm.
Menstrual cycle		is a small,muscular,pear-shaped organ, about the size of a fist.
Sterility		as a result of action of hormones the linigh breaks down and passes through the .
Ovaries		The ovasries begin to release one mature ovum each month. This process is called the.
Fertilization		from the time of one period to the next -"usually 28 days.
Testes		are two small glands that produce sperm.
Scrotum		are female sex glands that house the ova and produce female sex hormones.
Urethra		is the external reproductive organ composed of spongy tissue that contains many blood vessels.
Ovulation		is a small tube that extends from the bladder as well as from each vas dererns through the penis to the outside of the body.
Penis		When a mature ovum is released from an ovary it moves in to one of a pair of tubes called.
Cervix		protects sperm by keeping the testes at a temperature slighty below the normal body tempratureof 98.6 F (37 c).
Semen		The mixture of the fluids form the seminal vesicles the prostate gland and cowpers glands with sperm forms.
testosterone		is a condition in which a person is unable to reproduce.
Uterus		can occur if sperm cells are present while the ovum is in the fallopian tube.