<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  Explain the role of enzymes in the human body. Context: Enzymes catalyze chemical reactions within cells, assisting in digestion, metabolism, and various bodily functions. Answer: [/INST]They act as catalysts to accelerate chemical reactions within cells, aiding in digestion, metabolism, and other bodily functions.</s>