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? (Oxygen is brought into the lungs via breathing, where it is transported by red blood cells to the entire body to be used to produce energy.
Answer:
In the anatomical position, the umbilicus and knees are on the: anterior body surface.
Answer:
B
Explanation:
Fish take small amounts of oxygen from water bacteria however, i believe do not need oxygen
