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Science - Year Seven > Reproduction > Flashcards

Flashcards in Reproduction Deck (56)
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1

What is the lining of the uterus? {female}

This thickens every month in order to receive a fertilised egg

2

What is the Uterus? {womb} {female}

This is where a foetus will develop

3

What is the Oviduct {Fallopian tube} {female}

Eggs travel along this tube on the way to the Uterus

4

What is a testicle? {male}

Sperm is made here

5

When does the height spurt in most girls end?

Fourteen years

6

What is the cervix? {female}

This is the narrow opening between the vagina and uterus

8

What is the Sperm Duct? {male}

Sperm travels along this on the way to the urethra

9

What is the vagina? {female}

Sperm enters the body here

10

Who starts puberty first, girls or boys?

Girls start puberty first.

12

What is the Ovum? {female}

The Ovum is the egg cell, and a food store

13

What is the Penis? {male}

Fills with blood and becomes erect before sexual intercourse - to help pass sperm into the vagina

15

What are hormones?

Hormones are chemicals that make puberty start.

16

What is the average amount of time for a woman's menstrual cycle to take place?

28 days

17

What is the scrotum? {male}

It holds the testicles outside the body to keep the sperm cool

18

What is the hormone in men called and where is it made?

In men the hormone is called Testosterone and is made in the testicles

19

Where does fertilisation happen

Fertilisation happens in the Fallopian tube / oviducts

20

Which sperm can get into the woman's egg cell?

The first speed that reaches the egg cell is the only one that can get in.

21

What is the hormone in females called and where is it made?

The hormone in females is called oestrogen and is made in the ovaries

22

What is the time range for a woman to have her period and does this apply to every woman?

The rough cycle is 3-7 days, however not all woman have this exact cycle, this is just the average.

25

How long does it take the entire menstrual cycle to happen?

It takes between 20 -40 days do the entire cycle

26

When does the height spurt in most boys end?

The height spurt in most boys end at sixteen years

27

For boys, what age does the growth of the penis start at?

The penis starts growing at twelve and a half years

28

What is external gestation?

External gestation is the process of the baby developing outside of the mother's body, for example in eggs.

30

What is the Menstrual Cycle?

The 'period', it happens in girls

31

What happens in days 1-4 of the menstrual cycle?

If no embryo is emplaned, the cycle starts again.

The lining of the uterus begins to break down {the bleeding/menstruation/period}

32

How often does the fertilised egg cell divide to double the number of cells?

It takes about a day to divide.

33

What happens between days 4 - 14 of the menstrual cycle?

The lining of the uterus thickens and lines up again

34

What part of the girl takes the longest to develop?

The breasts take the longest to develop

35

What happens between days 14-28 of the menstrual cycle?

The Uterus lining stays thick, waiting for an embryo. If no embryo is implanted the cycle starts again.

36

What travels across the placenta from the mother to the foetus?

Oxygen and nutrients diffuse (travel) across the placenta from the mother to the foetus