From the food we eat.
the creation of energy
Automobiles don't have a metabolism, they're not alive. They do need energy to move, though.
From the calories of what you eat.
metabolisim
ATP
Metabolisim
they are very skinny
Energy human's get daily is derived from food. Food rich in carbohydrates provide more energy to sustain humans each day.
metabolisim
energy that comes from a human
human get energy by food.
For human life you need Oxygen (whta we breathe), water as our bodies contain 61% of it, and energy, the energy wil somehow come from the sun. there may be others but i dont know xD