A college freshman is about to give her first speech in class.As she walks to the podium,she feels her heart pounding much faster and harder than normal.After the speech,she notices that her heart begins to return to a normal pace because:

Question

Quizplus · Accepted Answer

The parasympathetic division of the autonomic nervous system works to counteract the effects of the sympathetic division, which is responsible for the increased heart rate and pounding sensation that the student experiences before her speech. Once the speech is over, the parasympathetic division helps to slow down the heart rate and return it to a normal pace. Choices A, B, and D may have some impact on the student's physical state, but they do not fully explain the physiological process of the heart returning to normal.

A College Freshman Is About to Give Her First Speech