Respuesta :
Respiration is the chemical process by which organic compounds release energy. The compounds change into different ones by exergonic reactions. There are two types of respiration: aerobic, which requires oxygen and releases lots of energy.
Explanation:
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Breathing occurs in mitochondria. It's called cellular respiration and the formula is
6O2 + C6H12O6 ---> 6CO2 + 6H2O + ATP
This formula indicates that when oxygen enters, it combines with the glucose molecule to form carbon dioxide that is expelled, water and ATP which is energy.
