To perform efficiently and effectively, energy is crucial for a workout because it fuels all physiological processes from sweating to muscle contraction and repair. †

Increasing blood flow is important to physical exercise because it enhances oxygen delivery to muscles, increases nutrient transport, and aids in waste removal, such as lactic acid.

Pumps refers to the dilation of blood vessels in the working muscle during exercise that forces blood into that muscle to aid in endurance, strength, and recovery.