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Respiratory System
Test Description: Respiratory System
Instructions: Answer all questions to get your test result.
1) Your respiratory system takes in oxygen so your cells can do which chemical reaction?
A
cellular respiration
B
photosynthesis
C
fermentation
D
replication
2) Your lungs have air sacs that come in contact with your blood stream to send oxygen to your cells. These air sacs are called
A
capillaries
B
pharynx
C
alveoli
D
cilia
3) The ___________ is a muscle that moves to create a partial vacuum, forcing air into your lungs.
A
alveoli
B
pharynx
C
diaphragm
D
rib cage
4) Epiglottis is a flap that covers the ____________ when you swallow food. This prevents choking.
A
trachea
B
esophagus
C
lungs
D
pharynx
5) When carbonic acid (a byproduct of carbon dioxide) builds up in your blood, your brain tells your body to breathe
A
more quietly
B
faster
C
at the same rate
D
slower
6) The respiratory system works mostly closely with which system?
A
circulatory
B
immune
C
nervous
D
digestive
7) Where is the carbon dioxide that you breathe out produced?
A
lungs
B
cells as a waste product of cellular respiration
C
cells as a waste product of photosynthesis
D
your heart
8) Which part of the respiratory system warms the air?
A
lungs
B
nose
C
mouth
D
alveoli
9) Oxygen crosses into the __________ of the bloodstream at the ______________ of the lungs.
A
capillaries; alveoli
B
arteries; veins
C
alveoli; capillaries
D
veins; arteries
10) List the respiratory structures in order from largest to smallest:
A
bronchi, alveoli, bronchioles
B
bronchioles, bronchi, alveoli
C
alveoli, bronchioles, bronchi
D
bronchi, bronchioles, alveoli
*select an answer for all questions
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