Are blood vessels part of the body that allow a person to hear sounds?

Is your brain part of the circulatory system, or the system in which blood moves through the body?

Do messages travel back and forth from the brain to other parts of the body through nerves?

Can washing your hands before you eat wash away germs, keeping you healthy?

Is a healthy person someone who gets many diseases?

Do foods that are unhealthy, such as hamburgers and french fries, contain lots of nutrients?

Does a chair support your body when you sit in it?

Are the muscles in a person's hand voluntary, meaning she or he can choose to move them?

Does a complicated recipe have only one step and is it very easy to follow?

Is a jelly bean more nutritious than an apple?

Does the human body have many systems, such as the digestive system, the circulatory system, the nervous system, the muscular system and the skeletal system?

Choose the pictures that show the parts of the muscular system.

Choose the pictures that show the parts of the digestive system.

Choose the pictures that show the parts of the circulatory system.

Choose the pictures that show the parts of the nervous system.

Choose the picture that shows the muscle that works all day and all night never stopping.

Choose the picture that shows the organ that is known as the body's control center.

Which key to health picture shows rest?

Which key to health picture shows keeping clean?

Which key to health picture shows having checkups?

Which key to health picture shows eating well?

Which key to health picture shows exercise?