U1.S8. Respiration

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

What is the purpose of nose hairs?

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

What gas do we exhale?

• oxygen

• helium

• carbon dioxide

• hydrogen

What is the function of the respiratory system?

• removes wastes from the body

• provide us with oxygen and remove carbon dioxide

• breaks down food for nutrients for the body

• provides movement for the body

Where does oxygen initially enter into the body?

• nose and mouth

• eyes

• brain

• throat

What are the tiny air sacs where gas exchange occurs?

• alveoli

• bronchi

• trachea

• bronchioles

What are the smaller tubes in the lungs?

• epiglottis

• alveoli

• larynx

• bronchioles