For maximum benefit, you should exercise 5-7 times a week for 60 minutes and your heart rate should be between of your max heart rate. A) 20% to 40%
B) 40% to 60%
C) 100%
D) 60% to 85%

Which of the following does not cause blindness? a. cataractsb. glaucomac. osteoarthritisd. diabetes

Dark clothing enables sweat to be evaporated on the skin's surface very quickly. loose light tight

Stuart runs with his brother each morning, and they can only speak one or two words at a time between multiple deep breaths. which best describes their heart rates during this activity? low moderate vigorous dangerous