Ovarian Cancer: http://www.youtube.com/watch?v=toLVziBFMAg

Cervical Cancer: http://www.youtube.com/watch?v=ooOehmPEsKA&feature=related

Movement of the ovum: http://www.youtube.com/watch?v=VDkrUvIESMw

Ovulation and fertilization: http://www.youtube.com/watch?v=dwtFYOLFeNw

The ovaries of sexually-mature females secrete 2 different hormones:

1) Estrogen is responsible for the development of the secondary sex characteristics in females: • development of breasts • further development of the uterus and vagina • broadening of the hips • growth of pubic hair• increase in fat tissue• helps to prepare the body for pregnancy • involved in changes if pregnancy occurs

2) Progesterone helps prepare the lining of the uterus to receive the egg if it becomes fertilized by a sperm.

Testicular Cancer: http://www.youtube.com/watch?v=8Lc8cBfuRhYProstate Cancer: http://www.youtube.com/watch?v=rnrd8FNolUE

http://www.youtube.com/watch?v=rRHUu5oDXZQ

Testosterone is made in the testes and is the main male sex hormone.

Testosterone is responsible for the development of the secondary sex characteristics in men:• growth of a beard• growth of pubic hair• enlargement of the penis• deepening of the voice• increased musculature• broadening of the shoulders

Testosterone is also essential for the production of sperm.