Reproduction

Question 0

What does fertilisation produce?

Answer 0

Fertilised egg cell

Question 1

What does reproduction produce?

Answer 1

New living things(offspring)

Question 2

What is it called when fertilisation is out of the body?

Answer 2

External fertilisation

Question 3

How many eggs do the external fertilisers make and why?

Answer 3

A lot because other animals may kill them

Question 4

What type of fertilisation do humans use?

Answer 4

Internal fertilisation

Question 5

What does the fertilised egg cell grow into?

Answer 5

Embryo

Question 6

What do humans have in order for them to reproduce?

Answer 6

Reproductive organs

Question 7

What parts of male and female bodies produce sex cells?

Answer 7

The ovaries and the testes

Question 8

What happens during puberty?

Answer 8

The reproductive organs get bigger and make sex cells

Question 9

What are the major physical changes in thee body caused by?

Answer 9

Sex hormones

Question 10

What is it called when puberty occurs?

Answer 10

Adolescence

Question 12

When does puberty start and end?

Answer 12

When a child is 10-15 years old and it ends when they are about 18

Question 13

How long do men produce sperm cells for

Answer 13

Their whole life,

Question 14

How long do women produce egg cells?

Answer 14

Until they are about 45-55. When they stop it’s called the menopause.

Question 15

What is menstruation?

Answer 15

The loss of the uterus lining and some blood through the vagina

Question 16

How of does menstruation occur?

Answer 16

About every 28 days

Question 17

What happens in the middle of the menstruation cycle?

Answer 17

An egg is released. This is called ovulation.

Question 18

What happens if the egg cell is not fertilised?

Answer 18

The cycle starts again

Question 19

Where does the sperm enter during sexual intercourse? What is the act of doing it called?

Answer 19

The vagina. Ejaculation

Question 20

What is forced out of the penis during sexual intercourse?

Answer 20

Semen.(Sperm cells mixed with special liquids from the glands)

Question 21

Where does the semen move to during sexual intercourse?

Answer 21

The top of the uterus.

Question 22

Where do the sperm cells swim during sexual intercourse?

Answer 22

Down the oviducts

Question 23

What could happen if a sperm cell meets the egg cell?

Answer 23

Fertilisation

Question 24

What is an embryo formed of?

Answer 24

A ball of egg cells

Question 25

Where does the embryo travel into?

Answer 25

The uterus

Question 26

What happens when the embryo travels into the uterus?

Answer 26

It sinks into the soft lining(implantation)

Question 27

When does the embryo become a foetus?

Answer 27

After it has grown all of its organs(about 10 weeks)

Question 28

What is the 9 months called when a woman is pregnant?

Answer 28

The gestation period

Question 29

What is it called when the fertilised egg grow and develop outside their parents?

Answer 29

Eternal development

Question 30

What does the placenta do?

Answer 30

It provides the foetus with oxygen and food and gets rid of waste.

Question 31

What connects the placenta and the foetus?

Answer 31

The umbilical cord.

Question 32

What may happen if the mother drinks to much alcohol or smokes?

Answer 32

The baby might be premature.