🫁 Respiratory System Quiz
Authored by ANDREW ARCHIBALD
Physical Ed
11th Grade
Used 7+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Where does air enter the respiratory system first?
Answer explanation
Air enters through the mouth or nose.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which structure connects the throat to the lungs?
Answer explanation
The trachea is the windpipe that connects throat to lungs.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What are the small air sacs in the lungs called?
Answer explanation
Alveoli are the site of gas exchange.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which structure branches into smaller bronchioles?
Answer explanation
The bronchi branch into bronchioles.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which muscle is the primary muscle responsible for breathing?
Answer explanation
The diaphragm contracts and relaxes during breathing.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
During inspiration at rest, what happens to the diaphragm?
Answer explanation
The diaphragm contracts and flattens to allow air in.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
During expiration at rest, what happens to pressure inside the lungs?
Answer explanation
Pressure increases so air is pushed out.
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