Brain
Lungs
Heart
100
What does the brain do?
It sends messages to other parts of the body.
100
What is a lung?
A spongy organ that takes in and lets out oxygen.
100
What does the heart do?
Pumps blood to parts of the body.
200

Does your brain stop working?

No, only when you are dead.

200
Which lung is bigger the left or the right?
The right.
200

True or false? The two chambers at the bottom of your heart are called ventricles.

True

300

How much blood is needed for the brain?

A LOT - About 20% of the blood pumped from your heart goes to your brain.

300

Does the brain weigh more than the lungs?

Yes, about 7 pounds more.

300

How much does your heart weigh?

1 medium apple.

400

What is the size of an adult's brain?

About the size of a melon (cantaloupe).

400

How long is a lung?

like the size of a normal pizza / plate.

400

How many times does your heart beat in a day?

About 129,600 times a day.

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