A five- to ten-minute period of mild exercise that prepares your body for more vigorous exercise is called a _____.
cool-down
warm-up
sprint
workout

Respuesta :

Warm-up, It says to prepare 
Warm up.


We are recommended to do mild exercise for short duration i.e. warm up before vigorous exercise cause it prepares our body for that otherwise we would have stomach pain or we would be exhausted much earlier.


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