Tag: Body organs

Despite being only about 2% of total body weight, the human brain consumes roughly 20% of the body's resting energy. However, the definitive answer to what uses the most calories in your body is more complex and depends on whether you are at rest or engaged in physical activity.

Despite making up only 2% of the total body weight, the human brain consumes a remarkable 20-25% of the body's resting metabolic rate. This article explores how many calories does the brain use for energy and the processes that make this small organ such a disproportionate energy consumer.