Which of the following statements are true of the nervous regulation of heart rate? (Read carefully and select all of the correct statements.)
A)The cardiac centers are in the medulla of the brain.
B)Only the sympathetic nervous system has nerves to the heart muscle.
C)Heart rate changes in response to changes in blood pressure or blood gas levels.
D)Sympathetic nerve fibers to the heart are part of the vagus nerves.
E)The neurotransmitter norepinephrine decreases heart ratE.
F)The heart generates its own beat,but the neurotransmitter acetylcholine can increase the rate.

Question

Quizplus · Accepted Answer

A) The cardiac centers, which regulate heart rate, are located in the medulla oblongata of the brain.
B) This statement is false. Both the sympathetic and parasympathetic nervous systems have nerves that innervate the heart and affect heart rate.
C) Heart rate can be influenced by various factors, including changes in blood pressure or blood gas levels.

Which of the Following Statements Are True of the Nervous