Repoductive System

Question 1

Puberty

Answer 1

Girls- increase in size of womb

2. Marks the start of the menstruation cycle
3. pubic hair , wide hips and growth spurt

Boys- increase in size of penis + testes

2. Marks the start of semen production
3. deepened voice, hair growth and growth spurt

Question 2

Menstruation cycle

Answer 2

Days 1-5- the lining of the uterus breaks down p- menstruation

Days 6-13-lining of womb develops

Days14- ovulation

15-28-lining remains in place

Question 3

Ovulation

Answer 3

The release of egg from the ovary

Question 4

Fertilisation

Answer 4

Occurs in the Fallopian tube

The joining of the nucleus of the sperm with the nucleus of an egg forming a zygote