The Cardiac Muscle

question 193

Multiple Choice

The cardiac muscle

• A)extracts oxygen and nutrients from the blood within its chambers
• B)receives its blood supply primarily during ventricular systole when blood is forced into coronary arteries
• C)receives its blood supply directly from the pulmonary circulation as all of this blood passes through the coronary circulation
• D)receives most of its blood supply during ventricular diastole by means of coronary arteries
• E)does not receive blood in any of the ways mentioned above

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