Keep support, structure, allow movement, and produce blood cells.
Blood carrying carbon dioxide is sent from the heart to the lungs from the pulmonary artery
For Building Muscle, Getting “Toned,” And Improving How Your Body Looks… Resting 1-3 minutes between sets is probably ideal for you. The higher your training intensity is for a given exercise and/or the more demanding it is on your body, the more you should stay nearer to the 2-3 minute range.
C. Running in the heat can cause exhaustion and you could faint if you've overworked yourself or just aren't healthy. <span />
