8th Grade Health

Dominic Guido pd.8

Endocrine System

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

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