8th Grade Health

By: Liv Farina

Endocrine System

  • A chemical communication system that controls many body functions
  • The endocrine system is made up of glands located throughout the body.
  • The Pancreas is part of the endocrine system because it secretes insulin.

male reproductive system

  • During puberty, the testes produce testosterone and sperm.
  • The urethra is a tube that carries urine and sperm to the outside of the body.
  • The testes are two small glands that produce sperm.

Female Reproductive System

  • The female reproductive system has to store egg cells, create offspring, and give birth.
  • New life is formed through the process of fertilization.
  • Once fertilized, the egg travels from the Fallopian tube to the Fallopian tube to the uterus where it attaches to the wall of the uterus and begins to grow.

MENStrual cycle

  • During puberty, egg cells mature and are released by the overies in a process called ovulation.
  • If an egg is not fertilized, the uterus lining breaks down and is shed by the body through menstruation.
  • Menstruation usually lasts from 5 to 7 days and happens about every 28 days.

pregnancy and labor

  • Fertilization: the union of a single sperm and an ovum.
  • zygote a fertilized ovum (egg)
  • Amniotic Sac: a fluid-filled sac that surrounds the embryo.

STD's

  • Each year, one-quarter of all new cases of STD's appear among 15-19 year old. STD's can be bacterial or a virus.
  • Most STD's are spread through sexual contact.
  • You cannot tell if some one has STD's by there appearance.

HIV/AIDS

  • HIV attacks T cells and replaces the genetic information of the T cells with its own genetic information.
  • One symptom that signals the onset of AIDS is the practice of opportunistic infection.
  • A person can be a carrier of HIV for ten years or more before starting to show symptoms of AIDS.

Abstinance

  • Avoid being alone on a date.
  • Communicate you limits to a date.
  • Participate in group activities.

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