A Romulan with blood on his face. Nanoprobes assimilating blood cells. Blood is the circulatory fluid that runs through most corporeal lifeforms in the universe. Its primary function is to carry nutrients and respiratory gases to cells and to remove waste products.
Muscle is more metabolically active than fat, and building muscle can help increase your metabolism (36, 37, 38, 39). This means you will burn more calories each day, even at rest (40). Lifting weights will also help you retain muscle and combat the drop in metabolism that can occur during weight loss (41, 42, 43, 44).
However, the word metabolism is often used interchangeably with metabolic rate, or the amount of calories you burn. The higher it is, the more calories you burn and the easier it is to lose weight and keep it off. Having a high metabolism can also give you energy and make you feel better. Here are 10 easy ways to increase your metabolism.