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Questions and Answers
Which of the following is a macronutrient?
Which of the following is a macronutrient?
- Vitamin C
- Carbohydrates (correct)
- Calcium
- Iron
What is the function of enzymes in digestion?
What is the function of enzymes in digestion?
- Produce bile
- Absorb nutrients
- Form and excrete faeces
- Break down food into smaller molecules (correct)
Which organ produces bile?
Which organ produces bile?
- The small intestine
- The liver (correct)
- The stomach
- The gallbladder
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Study Notes
- The digestive system breaks down food into nutrients and minerals.
- Macronutrients include carbohydrates, proteins, and fats, while micronutrients are vitamins and minerals.
- Carbohydrates can be simple or complex sugars, and complex fibers have health benefits.
- Proteins and fats have unique structures and functions in the body.
- Enzymes aid in digestion by breaking down food into smaller molecules.
- Blood flow and autonomic nervous responses aid in digestion.
- The mouth, oesophagus, stomach, small and large intestines all have specific functions in digestion.
- Villi in the small intestine absorb nutrients and minerals into the hepatic portal system.
- The liver produces bile and the gallbladder stores it.
- The large intestine forms and excretes faeces.
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