Let's find out what food does for you. Food gives your body energy.

Your body needs protein. It repairs cells and makes new ones. Beans are a plant food with protein.

Fish, eggs and meat are animal foods. They give your body protein.

Calcium helps build strong bones and teeth. Milk, yogurt and cheese are dairy foods. They have calcium.

Let's look at vitamins. Fruits and vegetables have vitamins, such as vitamin C. Vitamin C helps the body heal wounds.

Let's look at vitamin A. Carrots have substances that your body turns into vitamin A. Vitamin A helps you see in dim light.

Now let's look at vitamin D. Sunlight shines on your skin. Then your body makes vitamin D.

Saliva starts to break down starches. It does this in your mouth. After you swallow, muscles push food to the stomach.

Fibre is a part of plant foods. It helps food and waste move through the gut.

Here is the last thing to know. Eating a mix of foods is best. It gives you the vitamins you need.

Words to know

• protein: body builder
• calcium: bone helper
• saliva: mouth juice
• fibre: plant part