Answer:
The stomach is J-shaped and it can expand to temporarily store food. Partial digestion of the food takes place here. The churning action of the stomach muscles physically breaks down the food. The stomach releases acids and enzymes for the chemical breakdown of food.
Explanation:
Processing organic material into fuel is called Bioconversion.
Answer:
<u>oxygen</u>
Explanation:
Catalase is an enzyme found in living tissuea of plants and animals. Its role in living tissues is to break down hydrogen peroxide produced during cellular metabolism. Hydrogen peroxide is ahighly toxic substance which should not be allowed to accumulate in the tissues. If it were to accumulate in the tissues, it would interfere with cellular metabolism. Enzyme catalase breaks down hydrogen peroxide into water and oxygen which are non-toxic substances. Liver contains enzyme catalase.