The heart rate is increased by:
A)parasympathetic impulses
B)sympathetic impulses
C)somatic motor impulses
D)pressoreceptor impulses

Question

Quizplus · Accepted Answer

The sympathetic nervous system is responsible for increasing heart rate through the release of the hormone adrenaline. In contrast, the parasympathetic nervous system slows the heart rate down. Somatic motor impulses control voluntary movements of skeletal muscles, and pressoreceptor impulses are related to blood pressure regulation, but neither are directly involved in heart rate regulation.

The Heart Rate Is Increased By