Answer:(We breathe because oxygen is needed to burn the fuel [sugars and fatty acids] in our cells to produce energy.) What happens in the process of respiration? ... (The energy station of the cells, called mitochondria, process oxygen to power the cells. As part of the combustion process, carbon dioxide is released.)hope it helped in someway ig idk
Explanation:
The answer is 2,3,1. First the information is gathered then it is processed and carried to the glands or muscles
An hypotheses plays an educated guess in the scientific inquiry.
