Junior Cert Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What do you call the male gamete | Sperm cell
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| What do you call the female gamete | Egg cell
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| What do you call the fusion of the male and female gamete | Fertilisation
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| Where is sperm made | Testes
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| Where is the egg made | Ovary
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| When a sperm fuses with an egg, what happens | It makes a new cell, which then begins to divide to develop a baby
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| Where in the mother does a baby grow | In the womb
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| Give another name for the womb | Uterus
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| What do you call the time when sex hormones are released and physical changes occur to a young persons body | Puberty
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| Name some physical changes that occur to the boys body | Voice deepens, body hair grows, penis and testes grow larger and begin to produce sperm
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| Name some physical changes that occur to the girls body | Breasts develop, hips widen, body hair grows, eggs released form ovary every month
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| On average how often is an egg released from the ovary | Every 28 days
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| What do you call the release of an egg from the ovary | Ovulation
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| What do you call the cycle where the girls body prepares itself for pregnancy | Menstrual cycle
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| On average, how long is the menstrual cycle | 28days
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| On days 1 to 5 what happens on the menstrual cycle | Lining of the womb breaks down (bleeding)
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| On days 6 to 12 what happens in the menstrual cycle | Lining of the womb builds back up
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| On days 13 to 15, what happens in the menstrual cycle | Egg is released
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| On days 16 to 28, what happens in the menstrual cycle | Lining stays built up
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| After a 28 day cycle, if pregnancy does NOT occur, what happens | The lining of the womb breaks down and bleeding occurs
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| After a 28 day cycle, if pregnancy does occur, what happens | The new cell, begins to divide and moves to the womb
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| Day 11 to day 18, is the time a woman is most likely to get pregnant, what is this time called | Fertile period
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| Can the average length of a fertile period, increase of decrease for women | Varies for all
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| What make a mans penis hard and erect before intercourse | It fills with blood
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| Semen is released from the mans penis during intercourse, what is semen | A mixture of sperm cells and seminal fluid
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| After semen is ejaculated from the penis, where do the sperm go | They swim up through the uterus to the fallopian tubes
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| If an egg is present, what happens in the fallopian tubes, what happens | Sperm fuses with the egg and fertilisation occurs
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| After fertilisation, the fused egg continues to divide in the fallopian tube, where does it eventually go to | The uterus
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| What happens in the uterus | The fertilised egg embeds in the wall of the uterus which is rich in blood
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| What is the placenta | It is attached to the wall of the womb and is rich in blood vessels
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| What do you call the cord that attaches the baby to the mother | Umbilical cord
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Created by:
gcu science
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