What component of exercise is the most valuable in reducing stress?
A) increase in self-esteem
B) decrease in blood pressure
C) decrease in muscular tension
D) increase in heart rate
E) increase in blood flow
Question 2
What physiological change occurs as part of the fight-or-flight mechanism?
A) Oxygen intake falls.
B) Heart rate increases.
C) Blood pressure drops.
D) Blood flow to the brain decreases.
E) Blood flow to muscles decreases.