Reproduction

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Where are the sperm made?
Testes
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Why are the testes held away from the body?
lower temperature for optimum sperm production.
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What is added to the sperm in the glands?
Fluid to make semen
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Which organ puts sperm in the female ******?
Penis
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Where are sperm received in a female?
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?
once a month (every 28 days)
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Where does fertilisation occur?
In the oviduct
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Where does the egg implant?
uterus lining
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What happens in males at puberty?
Testes enlarge,voice deepens, pubic hair, facial hair
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What happens in females at puberty?
Breasts develop, hips widen, pubic hair, ouvulation
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How long is the menstrual cycle?
28 days
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What is ovulation?
The release of an egg
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What happens to the uterus lining if the egg is not fertilised?
It is shed
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What happens to the uterus lining 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?
Trimesters
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What is the function of the amniotic sac?
To protect the baby from knocks and bumps
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What is the function of the placenta?
To transport food and nutrients from mother to baby and to transport waste products from baby to mother
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Why must maternal blood and foetal blood not mix?
They may be different blood groups.
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Other cards in this set

Card 2

Front

Why are the testes held away from the body?

Back

lower temperature for optimum sperm production.

Card 3

Front

What is added to the sperm in the 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 sperm received in a female?

Back

Preview of the front of card 5
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