8th Grade Health

Emma Super

Endocrine System

  • The endocrine system is made up of glands located throughout the body.
  • The chemicals secreted by the endocrine glands are called hormones.
  • The endocrine glands work by responding to signals from the brain or from the pituitary gland.

Male Reproductive System

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

Female Reproductive System

  • New life is formed through the process of fertilization.
  • Fertilization is when a males sperm cell joins with a female egg .
  • In approximately 9 months, the fetus is mature and ready to be born.


  • During puberty, egg cells mature and are released by the ovaries on a process called ovulation.
  • Ovulation is the release of one mature egg cell each month
  • Menstruation usually lasts from 5 to 7 days and happens about every 28 days.

Pregnacy and Labor

  • A pregnancy is broken down into trimesters or periods of three months and each is characterized by different physical changes and symptoms.
  • Fetus- developing baby from the end of the eighth week after fertilization.
  • normal or full term pregnancy lasts 9 full months.


  • Most STD's are spread only through sexual contact.
  • You cannot tell if someone has an STD by hos or her appearance.
  • Many STDs have either very mild or no symptoms.


  • One symptom that signals the onset of AIDS is the presence of opportunistic infections
  • HIV is spread from person to person through contact with sperm, fluid from vagina ,blood and breast milk.
  • HIV does not spread from breathing in the air, being bitten my a mosquio, swimming in a pool or sharing utensils.


  • Abstinence is when you abstain form sexual contact.
  • Values- beliefs and standards or conducts that are important to a person
  • Cultural heritage, religouse beliefs and family traditions influence your values.

Comment Stream

8 months ago

hi i like the topic

8 months ago

and you have to know what happen in a sperm you have to read the topic to know what happens

8 months ago

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8 months ago

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8 months ago

the topic was nice an it give me a new expirence to know what going on in me