★ Effect of Exercise on Cardio Respiratory System & Muscular Quiz
The number of times that your heart beats in a minute is what?
A. Stroke volume
B. Cardiac output
C. Heart Rate
D. Beats per minute
Select your answer:

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The Skeletal System › ViewIf you have a “slipped disc,” you have a:
A. Head injury
B. Shoulder injury
C. Knee injury
D. Back injury
Respiratory › View
Which of the following describes a diaphragm?
A. Primary muscle used in respiration, which is the process of breathing.
B. Carry oxygen rich air into the lungs and carry carbon dioxide rich air out of the lungs
C. Area that connects the throat to the windpipe (trachea).
D. Serves as secondary external opening for the respiratory tract