The heart muscle between each heart beat

Whic component of physical fitness is skill related?

Describe 3 ways you can make sure you understand what your boss is asking for in his/her email or memo?

Aproper cool-down routine includes which of the following? a). eating a good-sized meal b. five to 10 minutes of slow walking or jogging and stretching c). less than 5 minutes of cool-down stretches d). sprinting or other strenuous exercise