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Science Y7 Spring > Reproduction > Flashcards

Reproduction Flashcards

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1
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A
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3
Q

What is the function of the fallopian tube?

A

Carry egg from an ovary to the uterus

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4
Q

What is the name given to an embryo after 9 weeks of pregnancy have passed?

A

A foetus.

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5
Q

Why may smoking cause a baby to be born with a low birth weight?

A

Because it reduces the amount of oxygen getting to the foetus.

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6
Q

What happens on Day 1 of the Menstrual Cycle?

A

Lining of the uterus breaks down

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7
Q

What happens in stage 2 of the Menstrual cycle (day 4-14)

A

The lining of the uterus builds up

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8
Q

What happens in Stage 3 of the Menstrual Cycle (day 14)?

A

The egg is released

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9
Q

What are female sex cells called?

A

Egg cell

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10
Q

What are male sex cells called?

A

Sperm cell

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11
Q

On roughly which day of her menstrual cycle is a woman most likely to become pregnant?

A

Day 14

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12
Q

What happens to an egg cell if it isn’t fertilised by a sperm cell?

A

It comes out in the lining during menstruation.

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13
Q

Label this diagram pls

A
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14
Q

The embryo develops over 9 months.
What is this period called?

A

Gestation

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15
Q

At what time after conception does the embryo develop a brain, a heart, eyes and legs?

A

1 month

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16
Q

At what time after conception does the baby kick and develop fingernails?

A

5 months

17
Q

At what time after conception does the foetus become viable?

A

7 months

18
Q

At what time after conception does the baby become fully developed?

A

9 months

19
Q

What does viable mean?

A

It has a fair chance of surviving

20
Q

How long after conception is the body completely formed?

A

9 weeks

21
Q

How long after conception does the embryo become a foetus?

A

9 weeks

22
Q

How long after conception does a baby’s sex become recognisable?

A

16 weeks

23
Q

How are non-identical twins formed?

A

An egg is released from both the ovaries at the same time and both get fertilised

24
Q

How are identical twins formed?

A

A fertilised egg splits into two

25
Q

How does amniotic fluid protect the baby?

A

It stops it getting harmed from knocks or bumps

26
Q

How are conjoined twins formed?

A

When a fertilised egg splits in two but only partially

27
Q

Male Condoms

A

How it Works: Acts like a glove over the penis, preventing sperm from passing through.
Advantages: Helps prevent the spread of sexually transmitted diseases (STDs).
Disadvantages: Risk of breaking or leaking.
Effectiveness: Fairly effective in preventing pregnancy.

28
Q

Female condoms

A

How it Works: Fits inside the vagina to block sperm from getting past the cervix.
Advantages: Helps prevent STDs.
Disadvantages: Can be difficult to insert properly.
Effectiveness: Fairly effective in preventing pregnancy.

29
Q

Contraceptive pill

A

How it Works: Alters a woman’s hormones to prevent ovulation.
Advantages: Very popular and reliable.
Disadvantages: Can cause negative side effects.
Effectiveness: Very effective in preventing pregnancy.

30
Q

Spermicide

A

How it Works: Kills sperm to prevent fertilization.
Advantages: Easy to use.
Disadvantages: May increase the risk of infections; not always reliable.
Effectiveness: Fairly effective.

31
Q

Female Sterilization

A

How it Works: Involves cutting the fallopian tubes.
Advantages: Highly effective, with guaranteed results.
Disadvantages: Permanent; decision cannot be reversed.
Effectiveness: Certain to prevent pregnancy.

32
Q

Emergency Contraception

A

How it Works: Pills taken up to 5 days after unprotected sex to prevent pregnancy.
Advantages: Can be used after intercourse.
Disadvantages: Not guaranteed to prevent pregnancy.
Effectiveness: Fairly effective.

33
Q

Male Sterilization

A

How it Works: Involves cutting the sperm duct.
Advantages: Highly effective, with guaranteed results.
Disadvantages: Permanent; decision cannot be reversed.
Effectiveness: Certain to prevent pregnancy.

34
Q

Contraceptive Patch

A

How it Works: Patch applied to the skin that releases hormones.
Advantages: Application is non-invasive and pain-free.
Disadvantages: May not be suitable for everyone.
Effectiveness: Fairly effective in preventing pregnancy.

Science Y7 Spring (3 decks)

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