Reproduction

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Where are sperm made?
testes
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Why are the testes held away from the body in the scrotum?
lower temperature for optimum sperm production
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What is added to the sperm in glands?
fluid to make semen
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Which organ puts sperm in the female ******?
Penis
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Where are the sperm received in a female?
the uterus
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What is the name of the tube down the centre of the penis?
urethra
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What passes down the urethra?
sperm and urine
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Where are eggs made?
In the ovaries
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How often are eggs released from the ovaries?
every month (28 days)
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Where does fertilisation occur?
in the oviduct
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Where does the fertilised egg implant?
the uterus wall
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What happens in males at puberty?
voice deepens, pubic hair, facial hair, testes enlarge
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What happens to females at puberty?
Breasts develop, hips widen, ovulation begins, pubic hair
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How long is the menstural cycle?
28 days
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What is ovulation?
The release of an egg from the ovaries
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What happens to the lining of the uterus if the egg is not fertilised?
It is shed
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What happens to the lining of the uterus if the egg is fertilised?
It is made vascular
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What two hormones are involved in regulating the thickness of the uterus lining?
Oestrogen and progesterone
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What are three contraceptive methods?
contraceptive pill, condom, cap
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How does the contraceptive pill work?
It combines oestrogen and progesterone to prevent ovulation
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How long is human pregnancy?
9 months (40 weeks)
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What are the three stages of pregnancy called?
semesters
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What is the function of the amniotic sack?
To protect the baby from knocks and bumps
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What is the function of the placenta?
To transport oxygen and nutrients from the mum to the baby and to transport waste products from the baby to the mum.
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Why must maternal blood and foetal blood not mix?
They might not be the same blood group
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Other cards in this set

Card 2

Front

Why are the testes held away from the body in the scrotum?

Back

lower temperature for optimum sperm production

Card 3

Front

What is added to the sperm in glands?

Back

Preview of the front of card 3

Card 4

Front

Which organ puts sperm in the female ******?

Back

Preview of the front of card 4

Card 5

Front

Where are the sperm received in a female?

Back

Preview of the front of card 5
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