Think about the number 4s associated with Blood (dm=44) and add another one, 4 milliliters (during normal 60k in 60s speed). A healthy person has 4 milliliters of blood passing through their muscle tissue (100 grams) per minute. The speed multiplies up to 50x!!!! During exercise you circulate up to 200 milliliters of blood through the muscle tissue (100 grams) per minute. Nutrient delivery and waste removal happens 50x times faster. Lets think about this for a minute (pun intended)...
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