Share 1.3 Reproductive system
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What is puberty?
A stage when a person becomes able to reproduce
What causes the changes that happen during puberty?
Hormones
Which sex cells are produced by males?
Sperm
What are the female sex cells called?
Ova
What is fertilisation?
When a sperm and an egg join together
Which organ produces sperm?
Testis
Which organs produce ova?
Ovaries
Where does the baby develop?
Uterus
Which change commonly happens to both boys and girls during puberty?
Growth of body hair
What is menstruation?
The release of an unfertilised egg together with the lining of the uterus
A boy notices that his voice becomes deeper during puberty. Which other change is likely to happen to him?
His shoulders and chest become broader
A girl begins puberty and notices several changes. Which combination is most likely?
Wider hips, development of breasts and growth of body hair
Which change is common to both boys and girls?
They grow taller and heavier
A student says, 'Only girls experience changes during puberty.' Which evidence shows this is incorrect?
Boys also grow taller, develop body hair and experience changes in their voice
Why does the reproductive system change during puberty?
It becomes able to produce sex cells needed for reproduction
A boy's body begins producing sperm. What does this indicate?
He has reached a stage of puberty
