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Single Award Science > Biology Chapter 5 Reproduction > Flashcards

Biology Chapter 5 Reproduction Flashcards

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Biology 101 flashcards
1
Q

What part of the female reproductive system is where ova (eggs) are produced

A

Ovary

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2
Q

What part of the female reproductive system is where fertilisation occurs

A

Oviduct

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3
Q

What part of the female reproductive system is where the embryo will implant

A

Uterus

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4
Q

What part of the female reproductive system is where the sperm are deposited

A

Vagina

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5
Q

What part of the female reproductive system widens and dilates during birth

A

Cervix

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6
Q

What part of the male reproductive system is where sperm are made

A

Testes

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7
Q

What part of the male reproductive system holds the testes outside the body

A

Scrotum

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8
Q

What part of the male reproductive system carries the sperm to the urethra

A

Sperm Duct or Sperm Tube

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9
Q

What part of the male reproductive system adds chemicals to make the sperm active (feeds the sperm)

A

Prostate gland

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10
Q

What part of the male reproductive system carries the sperm out of the body

A

The urethra in the penis

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11
Q

When an egg and sperm cell fuse what is this called

A

Fertilisation

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12
Q

What is the name given to the sperm or egg cell due to it having half the number of chromosomes as a normal cell

A

Haploid

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13
Q

What is the name given to the zygote cell as it has the normal number of chromosomes (23 pairs)

A

Diploid

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14
Q

What is the name of the ball of cells produced after the zygote has divided repeatedly

A

embryo

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15
Q

Where does the embryo implant

A

Uterus wall

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16
Q

What supplies the embryo with materials such as glucose and oxygen and removes waste eg carbon dioxide

A

umbilical cord

17
Q

Where does the exchange of materials take place between the embryo and mother

A

Placenta

18
Q

After 6 weeks the embryo is known as what

A

A foetus

19
Q

What protects the foetus from bumps

A

Amnion and Amniotic fluid

20
Q

How many weeks is a woman normally pregnant for

A

40 weeks

21
Q

How long is the menstrual cycle

A

28 days

22
Q

On what days does menstruation take place

A

days 1 - 5

23
Q

What is menstruation

A

the breaking down of the uterus lining

24
Q

Around what day does ovulation occur

A

Day 14

25
Q

What is ovulation

A

Release of an ovum from ovary

26
Q

When is the woman most likely to get pregnant

A

Around day 14 - if sperm present and egg present in oviduct

27
Q

What hormone brings about ovulation

A

Oestrogen

28
Q

What is the function of progesterone

A

To build up and maintain lining of uterus after day 14

29
Q

What are the 3 methods of contraception

A

mechanical
surgical
chemical

30
Q

Which type of contraception will protect against STIs

A

Mechanical

31
Q

A condom is an example of what type of contracetption

A

Mechanical

32
Q

Contraceptive pill is an example of what type of contraception

A

Chemical

33
Q

A vesectomy is an example of what type of contraception

A

Surgical

34
Q

What are the benefits of mechanical contraception eg condom

A

protects agains STIs
physical barrier
No sperm enter vagina so no chance of sperm meeting egg

35
Q

What are the benefits of contraceptive pill or contraceptive implants

A

Prevent ovum being released
so no chance of egg (oovum) present to be fertilised by sperm

36
Q

What are the negatives of using chemcial methods such as contraceptive pill

A

May forget to take pill
Not take pill at correct time each day
Does not protect against STIs

37
Q

Male sterilisation - describe what happens and the benefits of it

A

Sperm tubes are cut and tied
So no sperm leave penis
No chance of fertilisation occuring

Permanent
Reliable

38
Q

Female sterilisation - describe what happens

A

Oviducts are cut and tied

39
Q

What are the negatives of male and female sterilisation

A

Both are permanent so difficult to reverse - usually older people use this method as may already have children
Does not protect against STIs

Single Award Science (8 decks)

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