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