A 40-year-old member asked:
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is the contraction of the heart directly controlled by brain impulses

2 doctor answers
Dr. Calvin Weisberger
50 years experience Cardiology
Contraction: The contraction of the heart is a property of the heart muscle itself. The rate of contraction is a complex interaction of the cardiorespiratory system and the nervous system.
Answered on Aug 21, 2013
Dr. Rodney Del Valle
A Verified Doctor answered
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The heart have : It's own electrical source of energy to conduct an impulse and contract. Indirectly, the rate and the force of contraction can be mediated by the autonomic and central nervous system.
Answered on Aug 22, 2013

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