A
B
C
D
100

True or False

People who exercise don’t get ill as often as people who don’t exercise.

True

100

How many bones are there in your feet?

52

100

What happens to your bones when you get older?  

They become weaker

100

Which is the hardest-working muscle in your body?

Your heart
200

What does the heart send to your brain when you exercise?

Blood

200

True or False

Exercise makes your heart weaker.

False

200

True or False

Exercise helps you sleep better.

True

200

What does “fitter” mean in the text?

It means being in better physical condition.

300

How many times does the heart beat in one day?

About 100,000 times.

300

Why does the heart beat faster when you exercise?

Because it has to send more blood to your muscles.

300

What happens to your muscles when you exercise?

They get bigger and stronger, and you can move, run, and carry things more easily.

300

How many bones are there in the human body?

206 bones.