Question

What is the name of the nerve which innervate the heart and control cardiac contraction and relaxation?

Answer 1

The autonomic nervous system affects the rate and force of heart contractions. CNS: Central nervous system; RA: Right atria; LA: Left atria; RV: Right ventricle; LV: Left ventricle; SA: Sino-atrial node; AV: Atrioventricular node; NE: Norepinephrine; ACh: Acetylcholine

Answer 2

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Autonomic nervous system

The autonomic nervous system affects the rate and force of heart contractions. CNS: Central nervous system; RA: Right atria; LA: Left atria; RV: Right ventricle; LV: Left ventricle; SA: Sino-atrial node; AV: Atrioventricular node; NE: Norepinephrine; ACh: Acetylcholine.