Answer:
The answer is Small intestine.
Explanation:
Liver and pancreas produce enzymes which breaks down carbohydrate, protein and fat into smaller molecules. It takes place in duodenum, which is the first part of small intestine.
(Correct me if I am wrong)
The three main categories are health, disease and safety.
Split up 7 on 7 and let 1 from each team sit out then trade out