UNIT 1

It cleans your blood and stores minerals and vitamins.

• kidneys

• lungs

• liver

• stomach

It controls your body and helps you think, talk, feel.

• head

• heart

• brain

• skull

There are two: one small and one large and they digest your food.

• stomach

• mucscles

• bones

• intestines

It breaks down the food you eat into little particles.

• intestines

• liver

• stomach

• mouth

They are the most important part of your respiratory system.

• bronchi

• lungs

• muscles

• ribs

An adult has 206 of them and form the framework of your body.

• teeth

• nails

• bones

• muscles

It is the largest organ and it covers your whole body.

• hair

• skin

• skeleton

• muscles

They allow you to move and get stronger when you exercise.

• muscles

• bones

• skeleton

• brain

It pumps blood all around your body.

• veins

• lungs

• heart

• muscles

We have two. You need to drink 2 liters of water a day to keep them healthy.

• liver

• intestines

• kidneys

• muscles