The Main tube that takes air to your lungs

• bronchi

• bronchioles

• trachea

• air sacs

When you breathe "in", you take in

• carbon dioxide

• oxygen

• nitrogen

What type of air to we breath "out"

• carbon dioxide

• oxygen

• nitrogen

The tiny, thin, hair like tubes in the lungs are

• the trachea

• the bronchi

• the bronchioles

• the alveoli

Oxygen is transferred in the air sacs THROUGH THE

• capillaries

• bronchi

• Lungs

What are the main organs in the Respiratory System?

• Windpipe

• Nose

• Mouth

• Lungs

What is the main responsibility of the respiratory system?

• circulate blood

• provide oxygen to the body

• help us move

• protect us

Process of breathing; moves air in and out of the body

• nose

• respiration

• trachea

• epiglottis

The small intestine is about 22 feet long.

• True

• False

Where does digestion begin?

• stomach

• large intestine

• small intestine

• mouth