Reproduction

Question 1

Uterus

Answer 1

Where the fetus will develop

Question 2

Oviduct

Answer 2

Tube which egg travels along on the way to the uterus

Question 3

Ovary

Answer 3

Where eggs are stored and then released from here

Question 4

Cervix

Answer 4

Small opening between the uterus and the vagina

Question 5

Lining of the uterus

Answer 5

Thickens every month in order to receive a fertilised egg

Question 6

Vagina

Answer 6

Sperm enter the body here

Question 7

Penis

Answer 7

Becomes erect when it fills with blood

Question 8

Testis

Answer 8

Where the sperm are made

Question 9

Scrotum

Answer 9

Holds the testis

Question 10

Sperm duct

Answer 10

The sperm travels along here

Question 11

Glands

Answer 11

These add fluid to help the sperm swim

Question 12

Urethra

Answer 12

Sperm leave the body through this TUBE

Question 13

How are sperm adapted to swim to the egg and fertilise it

Answer 13

They have tails which propel them forward and they are streamline allowing them to cut through the water

Question 14

How is the egg adapted and why?

Answer 14

The egg has a jelly like coating to protect theirselves and they have food stores

Question 15

How are sperm and egg cells similar

Answer 15

They both are cells and have DNA

Question 16

How are sperm and egg cells different

Answer 16

Sperm is thirty times smaller than an egg cell

The egg cell is round and doesn’t leave the females body as a single cell

Question 17

How does embryo develop

Answer 17

Day. 0. 1. 2. 3. 4. 5. 6. 7. 8.

Number 1. 2.4. 8. 16.32.64.128. 256
of cells

After eight weeks the embryo turns into a fetus

Question 18

What are the three basic types of twins?

Answer 18

Conjoined twins
Non identical twins
And identical twins

Question 19

How are non identical twins formed

Answer 19

When two eggs are fertilised by two sperm non identical twins are born

Question 20

How are conjoined twins formed

Answer 20

Are identical twins where the embryo has failed to split fully leaving half of the fetus attatched to the other

Question 21

How are identical twins formed

Answer 21

One egg that is fertilised by one sperm.

The embryo splits fully in two

Question 22

Pregnancy do’s

Answer 22

Eat
Rest
Exercise gently
Be in touch with a doctor
Avoid stress
Avoid harsh impact to the belly

Question 23

Pregnancy donts

Answer 23

Smoke
Drink alcohol 
Take drugs
Eat unpasteurised food
Catch bad diseases

Question 24

Smoking in pregnancy

Answer 24

Reduced nutrients and oxygen for the baby.

Greater chances of problems like genetics, eyes, spinal cord etc. Can be effected.

Question 25

Puberty on boys

Answer 25

Penis grows
Shoulders get wider
Voice deepens
Chest hair 
Testis produces sperm

Question 26

Puberty on boys and girls

Answer 26

Body smells
Underarm hair grows
Increased growth rate
Sweat
Pubic hair
Emotions change
Oily skin

Question 27

Puberty in girls

Answer 27

Hips widen
Breasts grow
Ovaries release eggs

Question 28

The menstrual cycle
How long?
What happens?

Answer 28

Usually happens for around 28 days

The cycle happens to prepare for the egg and then release all the left over lining

Question 29

What happens in the menstrual cycle in days 1 to 5

Answer 29

The uterus lining is shed and a small amount of blood is released, this is called a woman’s period

Question 30

What happens in the menstrual cycle in days 6 to 12

Answer 30

The lining of the uterus starts to grow and the egg ripens in the ovary.

Question 31

What happens in the menstrual cycle from day 13 to day 15?

Answer 31

An egg is released from one of the two ovaries.

Question 32

What happens in the menstrual cycle from day 16 to 28

Answer 32

The egg travels down the Fallopian tube and the lining of the uterus continues to thicken.
The egg dies if it hasn’t been fertilised and by day 27 the lining of the uterus will have started to break down