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Science > Living Things > Moving and growing - Quiz

Moving and growing

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1. During the stage called puberty

a baby develops inside the mother's body

a baby grows into a child

a child grows into an adolescent

2. Which part of your skeleton protects your brain?

Your skull

Your ribs

Your pelvis

3. Which part of your skeleton protects your heart and lungs?

Ribs

Backbone

Skull

4. As you grow, your skeleton ...

grows

stays the same size

gets smaller

5. Which of these animals has its skeleton on the outside of its body?

An ant

A horse

A fish

6. How does your arm bend up and down?

One muscle pulls your arm up and another muscle pulls your arm down

One muscle pulls your arm up and the same muscle pushes your arm down again

The bones inside your arm move on their own

7. Muscles always work in pairs. When one contracts, the other

contracts

expands

relaxes

8. How long does it take for a human baby to fully grow inside its mother's womb?

6 months

9 months

12 months

9. Which of these things is NOT true about your skeleton?

It supports and protects your body

It makes you grow

It helps you move

10. Why do you think some animals, like crabs and insects, shed their outer skeletons?

Because they get too hot

Because their skeletons get too loose

Because their skeletons don't grow

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