When we're active we're using more of our muscles including our skeletal, heart and breathing muscles. All of this muscular contraction takes energy in the form of ATP which we get by breaking down glucose.
active cells or cells such as in brown fat(found in babies for extra warmth). mitochondira make energy available for the cell. so cells that need a lot of energy would have extra mirochondion.
The human body primarily uses carbohydrates and fats as energy sources while running. For short bursts of intense activity, such as sprinting, the body relies more on carbohydrates for quick energy. As the duration of running increases, the body shifts to utilizing more fat for energy to sustain endurance.
facilated diffusion cause when yer active you use energy
Energy
It is not removed. The lactic acid contains a lot of energy so the body can use it to release more energy The lactic acid passes into the blood and it is transported to the liver where it is converted into a respiratory substrate called pyruvate The body can then use the energy in pyruvate to make more ATP which is the energy currency of the body. This produces water and carbon dioxide
The body generally uses more energy when it is cold because it needs to work harder to maintain its core temperature. In cold conditions, the body must use energy to shiver and generate heat to stay warm, resulting in increased calorie expenditure.
Your body stores that extra energy as fat.
Yes, an active virus requires energy to replicate and grow within a host cell. It hijacks the cell's machinery to produce more viral particles, which requires energy in the form of ATP (adenosine triphosphate).
Energy, versus passive in which energy is not used.
Yes
active transport
This is because your body stores fuel [all the food you do consume and do not immediately use for energy] is broken down into glucose and stored in your liver as glycogen. When you sleep [or have not eaten in a while] your body will use the glycogen as an energy source. So when you are active [before you go to bed] you body is "asking you" to consume some food so it can function. when you sleep, your body isn't needing the energy as much. So the feeling of hunger will go away for a while, until you start to be active again.