1
physiological process in which stress and develop muscles shorten or elongate.
2
set of body movements, planned, structured, repetitive, developed to maintain physical fitness.
3
bodily movement produced by skeletal muscle system that requires energy expenditure.
4
physico-chemical process which consists of two phases: anabolism and catabolism.
5
semicontraction when the muscle is at rest.
6
are substances which need but do not produce.
7
are substances that help the growth and energy production.
8
chemical messengers of the body.
