After a 10-mile bike ride you sit under a tree and relax. Your __ nervous system is kicking in. A. somatic
B. sympathetic
C. parasympathetic
D. autonomic​

Communication. releasing emotions/feelings to someone you know you can count on. ; ) someone who may not understand but willing to listen.

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.

Yes, this is very true. specifically causing damage in the  dentrite.