Well, the good you consume is turned into calories, and as you move, it turns you use it. This is kinetic energy, your body produces its own heat. When you move, your muscles use kinetic energetic to make heat. Useful?
Answer:
The mitochondria is the powerhouse of the cell
Porifera comb jellies and corals
<span>A. Mars, asteroid belt, Jupiter, Kuiper belt.</span>
