The Human Body

Messages travel back and forth from the brain to other parts of the body through nerves.

Blood vessels are part of the body that allow a person to hear sounds.

The skeleton is the frame that supports the body and is made up of bones.

Your brain is part of the circulatory system, or the system in which blood moves through the body

Complicated: A complicated recipe has only one step and is it very easy to follow.

Systems: The human body has many systems, such as the digestive, the circulatory, the nervous, and the muscular system.

Foods that are unhealthy, such as hamburgers and french fries, contain lots of nutrients.

A healthy person is someone who gets many diseases.

Most of the organs of your body are on the outside where we can see them.

Digestion is the process that breaks down food into a form the body can use.

Washing your hands before you eat can wash away germs, keeping you healthy.

Voluntary: The muscles in a person’s hand are voluntary, meaning they can choose to move them.

Support: A chair supports your body when you sit in it.

Nutritious: A jelly bean is more nutritious than an apple.

The heart is an important muscle that pumps blood throughout your body.