Living Environment
Reproductive Systems
4/9/18
KEY
Sperm duct
Oviduct
Ovaries
Penis
delivers sperm cells
Uterus
into the female’s vagina
Vagina
Testes
Male
___________________________
reproductive system
Female
___________________________
reproductive system
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Living Environment
Reproductive Systems
4/9/18
Fill in the blanks in the paragraph below:
male reproductive system contains the penis, two testes and sperm ducts. The _______
female reproductive system contains two
The ______
male gametes/sperm cells
ovaries, a uterus, and the oviducts. The testes produce __________________________
and a male hormone called
estrogen and
____________,
testosterone while the ovaries of the female produce female gametes/egg cells and the hormones _________,
_____________.
progesterone
In males, testosterone production during puberty, around the age of 11, starts the changing of the penis and testes into their adult
forms, and stimulates the production of ______
testosterone also causes an increased growth of hair on the face
sperm in the testes. ___________
and body, and the voice to get deeper.
estrogen and _____________
progesterone cause the uterus, vagina and ovaries to mature, and stimulate the
In females, the sex hormones ___________
growth of breasts.
menstrual
The ___________cycle
is the monthly reproductive cycle in females in which the uterus lining gets thicker to prepare for a baby
and one of the ovaries releases an egg cell. When the egg does not get fertilized the uterus lining breaks down and leaves the body.
period or menstruation.
This is called a ________,
The _______
penis of the male reproductive system delivers sperm cells into the female’s reproductive system. Fertilization of the egg
uterus of the female reproductive system.
cell by sperm cells happens in the __________
oviduct and babies grow and develop in the ________
placenta in the uterus provides nutrients and oxygen for the growing fetus.
The _________
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Living Environment
Reproductive Systems
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4/9/18