True or False
The pharynx is only used for breathing.
False (it is a passageway for air, food, and liquid)
Which part of the respiratory system produces sound?
a) Trachea
b) Larynx
c) Pharynx
d) Bronchi
b) Larynx
The ___________ branches into smaller airways called bronchi.
Trachea
The larynx is also called the voice box.
Answer: True
Which part is the passageway for both food and air?
a) Nasal cavity
b) Mouth
c) Pharynx
d) Lungs
c) Pharynx
The ___________ are thin layers that cover the lungs and chest cavity.
Pleural membranes
The epiglottis prevents food from entering the airway during swallowing.
Answer: True
What protects the lungs and helps expand and contract the chest cavity?
a) Pleural membranes
b) Intercostal muscles and ribs
c) Epiglottis
d) Diaphragm
b) Intercostal muscles and ribs
The ___________ is the organ where gas exchange takes place.
Lungs
The ribs and intercostal muscles do nothing during breathing.
Answer: False
Which structure carries air into each lung?
a) Bronchi
b) Alveoli
c) Trachea
d) Epiglottis
a) Bronchi
The ___________ keeps food and drinks out of the airway when swallowing.
Epiglottis
The alveoli are tiny sacs where oxygen enters the blood and carbon dioxide leaves it.
True
What happens in the alveoli?
a) Sound is produced
b) Food is swallowed
c) Gas exchange (oxygen in, carbon dioxide out)
d) Air is filtered and moistened
c) Gas exchange
The ____________ is the tube that connects the throat (pharynx) to the lungs and is also called the windpipe.
Trachea