Respiratory system

What's your number

The trachea branches off into two large tubes in the lungs called.....

• Alveoli
• Bronchi
• Bronchioles

Which body structure protects the lungs from outside harm?

• Cartilage
• Tiny Sacs
• The Rib Cage

What is another name for the windpipe?

• Lungs
• Trachea
• Larynx
• Esophagus

The Respiratory System is the body's:

• Breathing system
• Food processing system
• Blood transporting system
• System of nerves

Oxygen moves from the lungs into the bloodstream through:

• small blood vessels in lungs
• nerve fibers
• aorta
• jugular vein

What is the purpose of nose hairs?

• Fight disease
• No purpose
• Keep dust/particles out of nose
• Tickle the nose so you sneeze

When the diapragm relaxes and moves back up, the lungs are...

• expanding with air
• shrinking - pushing air out

When the diaphragm contracts and moves down, the lungs are...

• expanding with air
• shrinking - pushing air out

What gas do we exhale?

• oxygen

• helium

• carbon dioxide

• hydrogen