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Human Reproduction > Human Reprodution > Flashcards

Human Reprodution Flashcards

1
Q

What is reproduction

A

Reproduction is the production of new individuals

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2
Q

What is a gamete

A

A sex cell e.g. Sperm or egg

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3
Q

What do the testes do

A

Makes sperm and produces the male hormone testosterone

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4
Q

What does the scrotum do

A

Holds testes outside the body and keeps them below 37 degrees centigrade

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5
Q

What do the sperm ducts do

A

Carry sperm to the penis from the testes

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6
Q

What is semen

A

Seminal fluid and sperm

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7
Q

What does the penis do

A

Allows sperm to pass out of the male body and into the female body

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8
Q

What do the ovaries do

A

Produces eggs and the female hormone oestrogen

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9
Q

What does the Fallopian tube do

A

Carries the egg from the overs to the womb. It is where fertilisation takes place

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10
Q

What does the uterus do

A

Holds baby during pregnancy

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11
Q

What is the cervix

A

The entrance of the womb

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12
Q

What does the vagina do

A

Holds penis during sexual intercourses and allows child birth

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13
Q

What is puberty

A

The time when a person become sexually mature. Triggers the production of hormones

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14
Q

When does puberty begin

A

On average 12-13 in boys and 11-12 in girls

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15
Q

What are the sexual characteristics that develop in boys

A

Testes and penis increase in size
Sperm starts to be produced
Increased interest in girls

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16
Q

What are the physical characteristics of boys that develop

A

Growth in pubic hair facial hair and hair elsewhere
Sudden growth spurt
Chest deepens, shoulders broaden and increased muscle mass
Larynx (Adams apple) widens and voice breaks then deepens
Spots appear due to excessive production of oil

17
Q

What are the Sexual characteristics that develop in girls

A

Ovaries and the womb increase in size
The menstrual cycle begins
Increased interest in boys

18
Q

What are the Physical characteristics that develop in girls

A 
Breast grow 
Hips widen
Pubic hair appears 
Sudden growth spurt 
Spots appear due to the excessive production of oils
19
Q

What is the path of sperm

A

The male places his erect penis into the woman’s vagina and results in ejeculation (release sperm and semen)
The sperm travels up the vagina, through the uterus and into the Fallopian tube where fertilisation takes place

20
Q

What is fertilisation

A

It is the joining of the male and female gametes to form a zygote

21
Q

What happens after fertilisation

A

The zygote divides a number of times as it makes its way to the uterus. It then latches onto the side of the uterus (implantation) and the woman is pregnant.

22
Q

What happens during pregnancy

A

After implantation the embryo is surrounded by a membrane called amnion. The membrane is filled with a liquid called amniotic fluid. This acts as a shock absorber to protect the baby for 38 week/ 9 months

23
Q

What does the placenta do

A

Passes oxygen and food from the mother to the foetus

Passes wastes from the foetus through the mother

24
Q

What is the umbilical cord

A

Connects the placenta and foetus

25
Q

What happens during birth

A

Muscles in the uterus begin to contract
Amnion bursts
The cervix widens
Contractions cause the baby to be pushed out

26
Q

What is an embryo

A

A baby that isn’t fully formed yet

27
Q

What is a foetus

A

A fully formed baby that isn’t born

28
Q

What are the Sexual characteristics that develop in girls

A

Ovaries and the womb increase in size
The menstrual cycle begins
Increased interest in boys

29
Q

What are the Physical characteristics that develop in girls

A 
Breast grow 
Hips widen
Pubic hair appears 
Sudden growth spurt 
Spots appear due to the excessive production of oils
30
Q

What is the path of sperm

A

The male places his erect penis into the woman’s vagina and results in ejeculation (release sperm and semen)
The sperm travels up the vagina, through the uterus and into the Fallopian tube where fertilisation takes place

31
Q

What is fertilisation

A

It is the joining of the male and female gametes to form a zygote

32
Q

What happens after fertilisation

A

The zygote divides a number of times as it makes its way to the uterus. It then latches onto the side of the uterus (implantation) and the woman is pregnant.

33
Q

What happens during pregnancy

A

After implantation the embryo is surrounded by a membrane called amnion. The membrane is filled with a liquid called amniotic fluid. This acts as a shock absorber to protect the baby for 38 week/ 9 months

34
Q

What does the placenta do

A

Passes oxygen and food from the mother to the foetus

Passes wastes from the foetus through the mother

35
Q

What is the umbilical cord

A

Connects the placenta and foetus

36
Q

What happens during birth

A

Muscles in the uterus begin to contract
Amnion bursts
The cervix widens
Contractions cause the baby to be pushed out

37
Q

What is an embryo

A

A baby that isn’t fully formed yet

38
Q

What is a foetus

A

A fully formed baby that isn’t born

Human Reproduction (1 decks)

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