science quiz

What is the primary function of the respiratory system?

• Transport blood throughout the body.

• Digest food and absorb nutrients.

• Transport air into the lungs and facilitate gas exchange.

• Control body movement and coordination.

What is another name for the larynx?

• Windpipe

• Voice box

• Food pipe

• Air sac

What surrounds the trachea to help protect it and keep it open?

• Muscular tissue

• Blood vessels

• C-shaped rings of cartilage

• Tiny hair cells called cilia

Where does gaseous exchange take place in the lungs?

• Bronchi

• Bronchioles

• Trachea

• Alveoli

Gaseous exchange takes place in