It breaks down polysaccharides such as starch. The next step is to metabolize fats and proteins.
For example, when an oxygen atom binds to one of hemoglobin's four binding sites, the affinity to oxygen of the three remaining available binding sites increases; i.e. oxygen is more likely to bind to a hemoglobin bound to one oxygen than to an unbound hemoglobin.
Answer:
B. processes to make them take longer than a human's lifetime
