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Biology > Human Reproduction And Genetics > Flashcards

Human Reproduction And Genetics Flashcards

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1
Q

Ovaries

A

Store and release eggs

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2
Q

Fallopian tubes

A

Carry the egg to the uterus,fertilisation occurs here

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3
Q

Uterus (womb)

A

Is where the fertilised egg becomes implanted and finds nourishment

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4
Q

Cervix

A

Leads from the vagina to the uterus

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5
Q

Vagina

A

Holds the male penis during sexual inter course forms the birth canal during childbirth

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6
Q

Gamete

A

Is a sex cell

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7
Q

Male gamete

A

Is the sperm

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8
Q

Female gamete

A

Is the egg/ ovum

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9
Q

Testes

A

Produce sperm

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10
Q

Spermicide duct

A

Brings the sperm from the testes to the penis

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11
Q

Glands and vesicles

A

Produces seminal fluid which mixes with sperm to form semen (allows sperm to swim)

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12
Q

Penis

A

Enters the female and ejaculates semen

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13
Q

Ovulation

A

An egg is released from the ovary an average of every 28 days

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14
Q

Menstruation

A

The lining and a small amount of blood pass out through the vagina

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15
Q

Fertile period

A

These are the days of the menstrual cycle when the woman is most likely to become pregnant

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16
Q

Puberty

A

Describes when the body starts becoming sexually mature

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17
Q

Copulation

A

Is another name for sexual intercourse

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18
Q

Fertilisation

A

The fusing of the gametes to form a zygote

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19
Q

Zygote

A

Egg and sperm fuse to form a single cell

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20
Q

Embryo

A

Division of the zygote occurs and it grows. Attaches to the lining of the uterus(implantation)

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21
Q

Foetus

A

After 8 weeks looks like a human

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22
Q

Implantation

A

Occurs when the fertilised egg lodges itself on the lining of the uterus

23
Q

Pregnancy

A

Is 40 weeks

24
Q

Amniotic fluid

A

As the embryo develops in the uterus it is protected inside a bag of fluid

25
Q

Umbilical cord

A

A tube joins the embryo to the placenta

26
Q

Placenta

A

Food, oxygen, wastes and carbon dioxide are swapped between the mother and baby. Bold does not mix

27
Q

Family planning

A

To control the number of children you have, you need yeti control the number of times fertilisation takes place

28
Q

Natural methods of contraception

A

Aim to detect the day ovulation takes place and avoid intercourse during the fertile period

29
Q

Artificial methods of contraception

A

Prevents the sperm and egg meeting

E.g. Condom which prevents sperm entering the vagina

E.g. Contraceptive pill with prevents ovulation

30
Q

Abstain

A

It’s is important to realise no method is 100% reliable, to abstain from sex (to not have sexual intercourse) is the only way to avoid pregnancy

31
Q

Condoms

A

-Prevents pregnancy
-They can also prevent the spread of
Sexually transmitted diseases (std’s) or
Sexually transmitted infections (sti’s) e.g. Syphilis, hiv (aids), chlamydia

32
Q

Responsible attitude to sexual intercourse

A

Could use condoms and another form of contraception e.g. The pill to prevent pregnancy and spread of disease

33
Q

A women is most likely to become pregnant during the middle of her menstrual cycle

A

That is when the egg is released

34
Q

Sperm are not formed if the testes are located inside the male body

A

The sperm needs to be cooler to form properly

35
Q

During the pregnancy the woman does not have a period

A

The lining of the womb acts to nest the baby, and stays inside

36
Q

A baby in the womb does not breath through its lungs

A

Oxygen is passed through the placenta and the umbilical cord

37
Q

If a pregnant woman smokes or drinks or drinks her baby may be harmed

A

Everything that the mother eats etc. Goes into the her placenta

38
Q

Breast-fed babies tend to get fewer infections than bottle-fed babies

A

Baby will be used to the mother’s immune system, and will get a lend of her ability to fight off until their own immune system is made

39
Q

A placenta is essential for the development of a baby

A

Food and oxygen pass from the placenta along umbilical cord

40
Q

Sperm have tails

A

Need to swim to the egg

41
Q

Ovulation

A

An egg is released from the ovary an average of every 28 days

42
Q

Menstruation

A

The lining and a small amount of blood pass out through the vagina

43
Q

Fertile period

A

These are the days of the menstrual cycle when the woman is most likely to become pregnant

44
Q

Puberty

A

Describes when the body starts becoming sexually mature

45
Q

Copulation

A

Is another name for sexual intercourse

46
Q

Fertilisation

A

The fusing of the gametes to form a zygote

47
Q

Zygote

A

Egg and sperm fuse to form a single cell

48
Q

Embryo

A

Division of the zygote occurs and it grows. Attaches to the lining of the uterus(implantation)

49
Q

Foetus

A

After 8 weeks looks like a human

50
Q

Implantation

A

Occurs when the fertilised egg lodges itself on the lining of the uterus

51
Q

Pregnancy

A

Is 40 weeks

52
Q

Amniotic fluid

A

As the embryo develops in the uterus it is protected inside a bag of fluid

53
Q

Umbilical cord

A

A tube joins the embryo to the placenta

54
Q

Placenta

A

Food, oxygen, wastes and carbon dioxide are swapped between the mother and baby. Bold does not mix

Biology (19 decks)

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