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Weegy: True. There is evidence that it can weaken your immune system User: True or False: A vigorous workout can raise metabolic rate for several hours? Weegy: The answer is True (More)

Weegy: True or False: A vigorous workout can raise metabolic rate for several hours User: True or False: Athletes who engage in very extreme or intense physical activities, such as marathons, have been shown to be at an increased risk for colds and flu? Weegy: True. There is evidence that it can weaken your immune system (More)

Weegy: A muscle responds to a held stretch by recoiling. User: Training of muscle endurance would include: a. continuous bicep curl repetitions on weights until completely fatigued b. fast, heavy repetition of free-weight bench presses c. shoulder presses with light weights for more repetitions than with heavy weights d. low repetitions of squats, but a high number of sets with heavy weights (More)

Weegy: d. Heat stroke (More)