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You need energy in your body because if you don't have energy then you can't, exercise, work, or pretty much do anything that you normally do.

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14y ago

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What happens to energy your body does not use?

Unused energy is either stored in the body as glycogen or converted into fat for long-term storage. This process ensures that the body has a reserve of energy to use in times of need.


Why do humans and animals need energy?

Humans and animals need energy to carry out essential functions such as breathing, circulating blood, and maintaining body temperature. Energy is also required for growth, movement, and other physical activities. Cells in the body need energy to produce ATP, which is the molecule used for energy transfer within cells.


Why you need energy when you sleep?

Even when you sleep, your body is still working to maintain essential functions like breathing, repairing tissues, and regulating hormones. This requires energy in the form of calories to keep your body systems functioning properly throughout the night. Without this energy, your body may not be able to perform these functions optimally.


If no force acting on a body can it have energy?

Yes, a body can have energy even if no force is acting on it. This is because energy can exist in various forms such as potential energy or kinetic energy, and can be stored within the body itself without the need for an external force.


Why do birds need a lot of energy?

Birds need a lot of energy because they have high metabolic rates and require energy to sustain their constant physical activity, maintain body temperature, and power their efficient respiratory system for flight. Additionally, the lightweight nature of their bodies means they need to constantly expend energy to stay airborne.