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Other quiz:

Heart and Circulatory System › View

A blood vessel is called an artery when it:

A. Transports oxygenated blood to the heart

B. Transports blood to the heart

C. Contains many valves

D. Transports blood away from the heart

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The Cardiovascular System OCR A-level › View

Which is the correct definition of bradycardia?

A. a decrease in resting heart rate below 60 beats per minute

B. the thickening of the muscular wall of the heart so it becomes bigger and stronger

C. An increase in stroke volume and cardiac output

D. a decrease in blood pressure

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