This is the basic equation governing metabolism:Īnd it is useful to know if you want to lose weight. These nutrients are then reacted with oxygen inside our cells to generate energy and the surplus energy is stored mainly as fat or glycogen (a type of sugar), or as protein (Fat-Free Mass) in our muscles. The body intakes fats, carbohydrates, and protein from food and breaks them down into their building blocks, different types of fatty chains, sugars, and amino acids. These bodily chemical reactions require energy, which our body obtains from the food we eat. Metabolism is an ongoing process, that only stops with death.
BMR CALCULATOR WITH ACTIVITY SERIES
Metabolism is a series of chemical reactions that keep our body alive, they take place within our body's cells. They regulate metabolism by generating energy in a process known as respiration. There are small organelles inside each of your body cells, these are called mitochondria. We are "warm-blooded" animals, meaning that our body keeps a constant temperature (this is also known as homeothermy from the Greek words " homo" = "the same" or "equal" and " thermos" = "warm").Ĭonstant body temperature requires a lot of energy, roughly two-thirds of BMR goes into homeothermy.įor instance, a mouse weighing the same as a "cold-blooded" lizard burns 8 to 10 times more energy to maintain its body temperature ( 1). The energy used by your body to keep your body's cells working properly: their structure, their function, their internal biochemical processes, the gradients in calcium and sodium ions, and protein assembly. RMR is the rate at which your body burns energy when it is resting (its only activities under these circumstances are breathing, blood circulation, and brain activity). What exactly does RMR (or Basal Metabolic Rate - BMR) mean anyway? What is the Resting Metabolic Rate or RMR? Definition of Resting Metabolic Rate Humans could benefit from fasting and exercising too. Alternate fasting extends lifespan and promotes longevity in nematodes and mice.
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