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

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

24
Q

How many days can the egg stay alive

25
Sexual intercourse
Takes place when a erect penis of a male is places in the vagina of the female
26
What happens to sperm in the vagina
Millions of sperm is released into thr vagina the sperm moves up through thr cervix and into the uterus
27
What happenes after ovualtion
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
What si fertalisation
Takes place when the nucleaus of the sperm fuses with the nucleaus of an egg
29
What is implamtation
When the embryo attaches to the lining of the uterus
30
What does the embryo become surrounded by
Amnion
31
What is amniotic fluid
Its a shock absorner to protect the embryo during pregnancy
32
What si the baby called after 8 weeks
The foetus
33
What is the placenta
The babys blood passes through the umbilical cord to wnd from the placenta
34
Functions of the placenta
Food and oxygen Waste production
35
What happens at stage 1 of the birth
Muscles in uterus begin to contract thses are called contraction amnion to hurts
36
What happens at stage 2
Cervix gradually opens during contractions thses contractions cause fhe baby to be pushed out head first out through the cervix
37
What happens at stage 3
The uterus continues to contract after the baby is born pusing the placenta out
38
What does breast mil benefit to baby
Full of nutrients Contains antibodies to help fight off infection
39
What is contreception
The deliberate use of artificial metjods to prevent a pregnancy
40
What are the two types of contreception
Prevent fertalisation Prevent implants
41
What is a natural method of contraception
Avoid having sec around the time of the females fertile period
42
Artificial method
Use of condoms A cap which covers the cervix
43
What does ivf do
Tales egg from female and takes sperm from male allowing them to fertilise outdoors the body
44
Advantages of ivf
Allows couple to achieved fertilisation naturally The child develops normally in the uterus
45
Disadvantage of ivf
46
Disadvantages of ivf
Small risk of more than one embryo development
47
Eyhical issues of ivf
Not natural Increases birth defects