More cards in this set

Why is it essential that bones are supplied with blood?

When an insect moults it usually eats its old skeleton. Why?

Explain why you don't break any bones when you jump and down

Why does a 'pad' of cartilage remain at the end of bones in adults

Suggest why it is important for Jack to know whether he's stopped growing?

Why is it important for teenager to have a diet rich in calcium?