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Biology > Reproductive System > Flashcards

Reproductive System Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Ovaries

A

Store and realise eggs

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2
Q

Fallopian tubes

A

Carry the egg to the uterus,fertillisation occurs here

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3
Q

Uterus (womb)

A

Is where fertillisied 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 intercpurse

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6
Q

Testes

A

Produce sperm

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7
Q

Scrotum

A

Where the testes are,it is located outside the body to ensure the temperature is lower than body temperature for healthy sperm

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8
Q

Epididymis

A

Is coiled tube on the outside of each testis that stores sperm and allows them to mature fully

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9
Q

Vas deferens

A

Brings sperm for the testes to the penis

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10
Q

Seminal vesicles ,prostate gland and Cowper’s

A

gland produce seminal fluid which mixes with sperm to form semen,it nourishes the sperm and allows them to swim

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11
Q

Penis

A

Enters the female and ejaculates semen

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12
Q

Puberty

A

Describes when the body starts becoming sexually mature (reproductive organs develop) it normally happens between the ages 10 and 16

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13
Q

Male puberty

A

In males,sex hormones (testosterone) are released causing the voice to deepen,hair grows the testes grow bigger and produce sperm

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14
Q

Female puberty

A

In females when the sex hormones (oestrogen,progesterone) are released breasts develop,and hair begins to grow on the body
The first egg is realest from the ovaries which leads to the first period occurring

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15
Q

Menstrual cycle

A

Is the repeating series of changes that takes place in the female body to prepare it for pregnancy.It ranges from 21 to 40 days,average 28 days

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16
Q

Ovulation

A

An egg is released from the ovary an average of every 28 days,approximately day 14 of the cycle

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17
Q

Fertile period

A

These are the days of the menstrual cycle when woman is most likely to become pregnant.Intercourse 2 or 3 days before,during or after ovulation could lead to fertilisation because sperm cells can survive for this long

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18
Q

Menstruation:

A

the lining and a small amount of blood pass out through the vagina (day 1-5) this is called a period

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19
Q

Pregnancy

A

If an egg is fertilised,the menstural cycle is paused during the duration of pregnancy.The first sign of pregnancy is often that menstruation dose not happen

20
Q

Menopause

A

Signals the end of a females ability to reproduce and also the end of her menstrual cycle. It happens at ages ages for everyone, typically in the late 40s early 50s

21
Q

Intercourse

A

During intercourse the mans penis fills with blood and becomes hard enough to be placed inside the women’s vagina
A mixture of sperm cells and seminal fluid called semen is released into the vagina
The sperm swims up to the uterus and into Fallopian tubes

22
Q

Fertilisation

A

If an egg is present in the Fallopian tube,and a couple have sexual intercourse,then one of the sperm cells fuse with it
The nuclei of the sperm and egg fuse together to form a fertilised egg,called a zygote

23
Q

Implantion

A

The embryo embeds itself into the uterus wall

24
Q

Pregnancy

A

The uterus lining dose not break down so menustration stops during pregnancy .The average length of human pregnancy is 40 weeks

25
Q

Amniotic fluid

A

The fluid provides cushion for the embryo

26
Q

Zygote/embryo/foetus

A 
Egg and sperm fuse to form a single 
Zygote/
Cell division occurs and growth
Embryo,which attaches to the lining of the uterus (implantation) grows more and after 8 weeks looks like a human
Foetus
27
Q

Umbilical cord

A

Joins the embryo to the placenta

28
Q

Placenta

A

In rich in blood vessels it is here at the placenta that food and oxygen from the mother’s blood pass into the baby’s blood also wastes such as carbon dioxide pass from the baby’s blood into the mothers

29
Q

Labour

A

The birth of a baby beings when the uterus muscles start to contract

30
Q

Water breaks

A

The bag of amniotic fluid bursts and further contractions push the bay out usually head firsts,through the vagina

31
Q

After birth

A

U,bollo al cord is cut and the placenta comes out

32
Q

Lactation

A

Production of breast milk

33
Q

Colostrum

A

Very nutritious and helps protect baby from infection

34
Q

Natural methods of contraception

A

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

35
Q

Artificial methods of contraception

A

Prevent the sperm and egg meeting

36
Q

Infertility

A

Is the inability to produce children.Males and females are equally as likely to be infertile

37
Q

Cancers

A

cervical cancer in women and prostate cancer in men.

38
Q

Sexually transmitted

A

such as chlamydia and gonorrhoea, can affect men and women.

39
Q

Menstrual cycle

A

Is the repeating series of changes that takes place in the female body to prepare it for pregnancy.It ranges from 21 to 40 days,average 28 days

40
Q

Ovulation

A

An egg is released from the ovary an average of every 28 days,approximately day 14 of the cycle

41
Q

Fertile period

A

These are the days of the menstrual cycle when woman is most likely to become pregnant.Intercourse 2 or 3 days before,during or after ovulation could lead to fertilisation because sperm cells can survive for this long

42
Q

Menstruation:

A

the lining and a small amount of blood pass out through the vagina (day 1-5) this is called a period

43
Q

Pregnancy

A

If an egg is fertilised,the menstural cycle is paused during the duration of pregnancy.The first sign of pregnancy is often that menstruation dose not happen

44
Q

Menopause

A

Signals the end of a females ability to reproduce and also the end of her menstrual cycle. It happens at ages ages for everyone, typically in the late 40s early 50s

45
Q

Intercourse

A

During intercourse the mans penis fills with blood and becomes hard enough to be placed inside the women’s vagina
A mixture of sperm cells and seminal fluid called semen is released into the vagina
The sperm swims up to the uterus and into Fallopian tubes

46
Q

Fertilisation

A

If an egg is present in the Fallopian tube,and a couple have sexual intercourse,then one of the sperm cells fuse with it
The nuclei of the sperm

Biology (6 decks)

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