The process of combustion, or burning, is similar to the chemical processes that release energy in cells. Wood burns at a very high temperature, about 600°C. Which two statements explain how the human body is able to obtain energy without becoming too hot?
A. A large percentage of the cell is protein, which prevents rapid combustion.
B В
The breakdown-of glucose occurs in many small steps.
D
C. Low-temperature breakdown of glucose is enabled by enzymes that catalyze specific reactions.
D
Both fuel and ample oxygen are required for fire, oxygen concentration is too low in the body to allow combustion.