Digestive System
Biology ⇒ Human Biology
Digestive System starts at 6 and continues till grade 12.
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See sample questions for grade 12
A person has a blockage in their bile duct. Predict and explain the effect this would have on digestion.
Describe how the structure of the small intestine maximizes nutrient absorption.
Describe the difference between mechanical and chemical digestion, giving one example of each.
Describe the process of mechanical digestion in the mouth.
Describe the role of bile in the digestive process.
Describe the role of the pancreas in digestion.
Explain how the structure of villi aids in their function.
Explain the function of the lower esophageal sphincter.
Explain the importance of mucus in the digestive tract.
Explain the role of cholecystokinin (CCK) in digestion.
Explain why the stomach does not digest itself.
List two functions of the large intestine.
Name the enzyme that digests proteins in the stomach.
Name the main type of muscle responsible for peristalsis in the digestive tract.
Name the three main regions of the small intestine in order from the stomach to the large intestine.
A patient has a genetic mutation that reduces the production of brush border enzymes in the small intestine. Predict the effects on carbohydrate and protein digestion and absorption.
A patient presents with chronic pancreatitis, leading to insufficient secretion of pancreatic enzymes. Explain how this condition would affect the digestion and absorption of macronutrients.
A person consumes a meal high in protein. Describe the hormonal and enzymatic responses that occur in the stomach and small intestine to facilitate protein digestion.
Compare and contrast the mechanisms of absorption for monosaccharides and long-chain fatty acids in the small intestine.
Describe the process and significance of enterohepatic circulation in the human digestive system.
