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REPRODUCTION (THE MALE REPRODUCTIVE SYSTEM (Vas Deferens (Sperm travels …
REPRODUCTION
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PREGANCY AND BIRTH
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Birth
The pregnancy takes 9 months, then the amniotic fluid id realised. The muscles of the uterus stars contracting and the baby born
PUBERTY IN GIRLS
Between 10-16 years old the girls have physical changes; pubic and armpit hair start growing, the skin produce more oil (acne)...
The menstrual cycle: an ovum is released from the ovaries to the fallopian tubes about every 20 days (ovulation). Woman have a menopause when they have no eggs (ovum)
PUBERTY IN BOYS
The boys testicles produce hormones wich activate the testicles to produce testosterone. They also have physical changes
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