Crossword Puzzle conceptsOnline version Complete the puzzle from the clues given by alejandra jerez 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. 9 10 11 8 3 10 4 6 5 11 7 9