Every fitness program should include A. a longer warm-up period than cool-down period. B. at least 15 minutes of vigorous activity. C. at least 60 minutes of cardio activity. D. a warm-up, a primary c

Every fitness program should include A. a longer warm-up period than cool-down period. B. at least 15 minutes of vigorous activity. C. at least 60 minutes of cardio activity. D. a warm-up, a primary conditioning period, and a cool-down.