Human Body Systems

These are muscles we can control.

This organ sends bile into your small intestine to continue digesting fats in your food.

The tiny holes on the surface of your skin are called ....

The three types of blood cells in your blood are

This system carries nutrients and oxygen to every cell in your body

The watery part of your blood is called...

Your bones are made mostly of ....

Theses are muscles you cannot control, such as your heart, stomach, and blinking.

This system includes all the bones in your body.

This organ pumps blood through your circulatory system.

This skin layer attaches your skin to the bone and muscle below.

This skin layer is made of dead skin cells

This is the thickest layer of skin

Saliva contains _______which immediately begins to break down your food when you start chewing.

This body system helps you fight off illnesses.

This is your body's largest organ.

This system controls and produces movement by contracting and relaxing.