Body System

As we breathe out, ___________ _________is exhaled from your body.

• bad breathe

• carbon dioxide

• Food

• lung

Where does the exchange of oxygen and carbon dioxide occur?

• heart

• lungs

• stomach

• mouth

These body parts are part of the respiratory system:

• Just the lungs.

• Lungs, nose and mouth

• Lungs, nose, mouth and windpipe

• Nose and mouth

two organs inside your chest which fill with air when you breathe in.

• trachea

• lung

• nose

the layer of muscle between the lungs and the stomach, used to control breathing.

• trachea

• lung

• diaphram

What is the circulatory system responsible for?

• digestion

• Carrying materials around in your body

• absorption

• breathing

The circulatory system carries around

• Oxygen, and carries away carbon dioxide

• Only oxygen

• Oxygen, digested food and water and carrying away carbon dioxide

• carbon dioxide and carries away oxygen

What makes up the circulatory system?

• The lungs and the digestive tract

• The brain

• The liver and the pancreas

• The heart, blood and blood vessels

The flow of blood around your body is called

• digestion

• circulation

• absorption

• respiration

Blood vessels that carry blood back to your heart are called 

• Arteries

• Veins

• Capillaries

• intestine