1.3 Digestion and the digestive system in humans

Practice questions on Digestion and the digestive system in humans

• A child is diagnosed with rickets, a condition in which the bones become soft and weak. Ex… (4 marks, Explain)
• Explain why large food molecules must be broken down before they can be absorbed into the … (4 marks, Explain)
• Describe how the small intestine is adapted to absorb the products of digestion efficientl… (4 marks, Describe)
• Explain what happens to glucose and amino acids after they have been absorbed into the blo… (4 marks, Explain)
• Explain how enzymes produced in the pancreas and small intestine help to complete the dige… (4 marks, Explain)
• Describe the role of bile in the digestion and absorption of fats. (4 marks, Describe)
• An elderly person has a diet that is low in calcium and vitamin D. Explain why this may ca… (4 marks, Explain)
• A teenager follows a diet that contains very little iron and vitamin C. Explain why this d… (4 marks, Explain)
• Describe the role of each of the following nutrients in the human body: carbohydrates, pro… (4 marks, Describe)
• Explain why a balanced diet is important for the healthy functioning of the human body. (4 marks, Explain)