Question
If you cut all the nerves to the heart but kept the heart alive,a. the heart would stop beating.b. the heart would continue beating.c. only systole would occur.d. only diastole would occur.
Step 1
The heart has its own electrical system that is independent of any other nerve system within the body. This system is known as the Sino atrial and the Atrioventricular nodes. Show more…
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If you cut all the nerves to the heart but kept the heart alive, a. the heart would stop beating. b. the heart would continue beating. c. only systole would occur. d. only diastole would occur.
During diastole, blood (a) Enters the heart (b) Leaves the heart (c) Leaves the ventricle (d) Enters into lungs
Why do heart attacks cause permanent tissue damage? a. The sinoatrial nodes cannot restore the cardiac cycle. b. Purkinje fibers do not transmit nerve impulses properly. c. Myocardium cells cannot relax. d. Cardiac cells die due to lack of blood irrigation.
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