Respuesta :
Answer:
b. 5 to 10 minutes
Explanation:
Warm-up. Warming up pumps nutrient-rich, oxygenated blood to your muscles as it speeds up your heart rate and breathing. A good warm-up should last five to 10 minutes and work all major muscle groups. For best results, start slowly, then pick up the pace.
B. 5 to 10 minutes you can extend it if needed but never should go under 5 minutes