The Reproductive System
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Testis?
Make sperm: the male gamete
Name the parts of the male reproductive system
Testis Scrotum Penis Urethra
Scrotum
Holds testis outside body at lower temp
Sperm duct?
Carries sperm to penis
Urethra?
Sperm and urine leave body here
Gamete
specialized sex cell that fuses with another gamete during fertilization
Ovaries
Make eggs (female gamete)
Fallopian tube
transfers egg from the ovary to the uterus.
Where does fertilisation occur
Fallopian tube
Uterus?
Place where the baby will develop
Vagina?
Hold penis during intercourse Forms birth canal when the baby is born
The menstrual cycle
is the changes that take place in a woman’s body every 28 days.
Menstruation
the breakdown of the lining of the womb.
When does menstruation occur
occurs during days 1-5 of the cycle, if pregnancy does not occur.
Ovulation
release of the egg from the ovary. It occurs on day 14.
The fertile period
When a woman is most likely to get preggo
Fertilization
the fusion of the male and female gametes. It occurs in the fallopian tube.
Implantation
attachment of the embryo to the lining of the womb.
The Placenta:
placenta allows waste products to be passed from the baby’s bloodstream to the mother and oxygen and nutrients to pass from the mother to the baby.
During labour
uterus contracts and the cervix widens
After labour
placenta and umbilical cord are pushed out of the vagina.
Puberty
when a person becomes sexually mature
Contraception
prevention of fertilisation or pregnancy.
Contraceptive methods include:
avoiding intercourse at certain times condom or cap close off the sperm ducts or fallopian tubes. pills coil