Human Digestion QuizOnline version Test your knowledge about the human digestive system with these fun questions! by Elizabeth Maina 1 What is the primary function of the stomach in digestion? a To absorb nutrients into the bloodstream. b To store bile for fat digestion. c To filter toxins from the blood. d To break down food using acids and enzymes. 2 Which organ is responsible for nutrient absorption? a Small intestine. b Large intestine. c Pancreas. d Stomach. 3 What enzyme begins the digestion of carbohydrates? a Pepsin. b Salivary amylase. c Lipase. d Trypsin. 4 What is the role of bile in digestion? a To absorb vitamins. b To neutralize stomach acid. c To break down proteins. d To emulsify fats for easier digestion. 5 Where does protein digestion primarily occur? a In the stomach. b In the esophagus. c In the mouth. d In the large intestine. 6 Which part of the digestive system is responsible for water absorption? a Pancreas. b Stomach. c Small intestine. d Large intestine. 7 What is the function of the pancreas in digestion? a To produce digestive enzymes and hormones. b To store bile. c To break down fiber. d To absorb nutrients. 8 What is the main purpose of chewing food? a To neutralize acids. b To absorb nutrients. c To mix it with bile. d To mechanically break it down for easier digestion. 9 What is the first part of the digestive tract? a Esophagus. b Mouth. c Stomach. d Large intestine. 10 Which vitamin is primarily absorbed in the small intestine? a Vitamin D. b Vitamin C. c Vitamin B12. d Vitamin A.
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