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Human Reproduction > Human Reproduction > Flashcards

Human Reproduction Flashcards

1
Q

Reproduction

A

The production of new individuals

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2
Q

Asexual reproduction

A

Production of pffspring from one parent only

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3
Q

Sexual repression

A

The production of offspring from two parents

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4
Q

What do the testis do

A

Makes sperm

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5
Q

What do boys bodies do during puberty

A

Enlargements of penis and testis

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6
Q

What is the scrotum

A

A sac in which the testes are held

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7
Q

Sperm ducts

A

Carry sperm from the testes to the penis

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8
Q

Penis

A

Allows semen to pass out of the males body and into the females body

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9
Q

What do the ovaries do

A

Produce eggs

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10
Q

What happens to girls during puberty

A

Growth of breast vagina
Growth of hair on parts of the body

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11
Q

What is a female gamete

A

The egg

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12
Q

When does a egg typivall stops producing

A

45-55 years

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13
Q

Fallopian tube

A

Collects egg from the ovary and carries it to the uterus

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14
Q

Uterus

A

Womb the place in which a baby or embryo develops

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15
Q

Cervix

A

Opening ir neck of the uterus

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16
Q

Vagina

A

Muscular tuve into which the penis releases sperm

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17
Q

Waht is the menstrual cylce

A

A series of changes that take place in females about every 28 days befween puberty and menopausal

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18
Q

What happens on day 1-5 of the mestrial cycle

A

Lining of the uterus breaks down

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19
Q

6-13

A

A new lining develops in the uterus

20
Q

Day 14 egg is released from ovary tgis is called ovulation

A
21
Q

15-28

A

Lining of uterus remains in place

22
Q

Ehat is the fertole period

A

The time of the month when a female is most likely to get pregnant if she has sex

23
Q

How long can a sperm survive im the uterus

A

5-7 days

24
Q

How many days can the egg stay alive

A

2 days

25
Q

Sexual intercourse

A

Takes place when a erect penis of a male is places in the vagina of the female

26
Q

What happens to sperm in the vagina

A

Millions of sperm is released into thr vagina the sperm moves up through thr cervix and into the uterus

27
Q

What happenes after ovualtion

A

Teh egg is pushed along the fallopian tube by tiny hairs sperm is attracted by the chemicals released by the egg they then swarm the egg

28
Q

What si fertalisation

A

Takes place when the nucleaus of the sperm fuses with the nucleaus of an egg

29
Q

What is implamtation

A

When the embryo attaches to the lining of the uterus

30
Q

What does the embryo become surrounded by

A

Amnion

31
Q

What is amniotic fluid

A

Its a shock absorner to protect the embryo during pregnancy

32
Q

What si the baby called after 8 weeks

A

The foetus

33
Q

What is the placenta

A

The babys blood passes through the umbilical cord to wnd from the placenta

34
Q

Functions of the placenta

A

Food and oxygen
Waste production

35
Q

What happens at stage 1 of the birth

A

Muscles in uterus begin to contract thses are called contraction amnion to hurts

36
Q

What happens at stage 2

A

Cervix gradually opens during contractions thses contractions cause fhe baby to be pushed out head first out through the cervix

37
Q

What happens at stage 3

A

The uterus continues to contract after the baby is born pusing the placenta out

38
Q

What does breast mil benefit to baby

A

Full of nutrients
Contains antibodies to help fight off infection

39
Q

What is contreception

A

The deliberate use of artificial metjods to prevent a pregnancy

40
Q

What are the two types of contreception

A

Prevent fertalisation
Prevent implants

41
Q

What is a natural method of contraception

A

Avoid having sec around the time of the females fertile period

42
Q

Artificial method

A

Use of condoms
A cap which covers the cervix

43
Q

What does ivf do

A

Tales egg from female and takes sperm from male allowing them to fertilise outdoors the body

44
Q

Advantages of ivf

A

Allows couple to achieved fertilisation naturally
The child develops normally in the uterus

45
Q

Disadvantage of ivf

A
46
Q

Disadvantages of ivf

A

Small risk of more than one embryo development

47
Q

Eyhical issues of ivf

A

Not natural
Increases birth defects

Human Reproduction (1 decks)

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