8th Grade Health
Dominic Guido pd.8
The endocrine system is a chemical communication system that controls many body functions. The chemicals secreted by the endocrine glands are called hormones. Each hormone has a specific job. Good ways to keep good care of your Endocrine System are get regular physical activity, practice good nutrition, get adequate rest, and learn to manage stress.
Male Reproductive System
Penis: the external sexual Testes: two small glands that produce sperm and hormones
During puperty, the testes produce testosterone and sperm. sperm: the male sex cell
Problems of the Male Reproductive System: injuring testicles, testicular cancer, hernia, STD's
Female Reproductive System
Functions: stores egg cells, create offspring, give birth
New life is formed through the process of fertilization.
The embryo becomes a fetus in about 8 weeks.
During puberty, egg cells mature and are released by the ovaries in a process called ovulation.
ovulation: the release of one mature egg cell each month
Menstruation usually lasts from 5 to 7 days and happens about every 28 days.
Pregnancy and Labor
The union of a single sperm and an ovum
zygote: a fertilized ovum
Amniotic Sac: a fluid-filled sac that surrounds the embryo
HIV/AIDS and Abstinence
HIV can spread through sexual contact with an infected person
HIV can not spread by being bit by a mosquito
A person can be a carrier of HIV for ten years or more before starting to show symptoms of AIDS