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SingaporeCombined ScienceQuick questions
Biology: Cells and Human Physiology
Quick questions on The human digestive system: N(A)-Level Combined Science Biology
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are the role of enzymes?Show answer
Enzymes are biological catalysts that speed up the breakdown of food. Different enzymes work on different foods: one type breaks down starch, another breaks down proteins, and another breaks down fats. They work fast at body temperature.
What is absorption in the small intestine?Show answer
Once food is digested into small soluble molecules, it is absorbed in the small intestine. The small intestine is well adapted for this:
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