Digestive System
Biology ⇒ Human Biology
Digestive System starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Digestive System.
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See sample questions for grade 7
Describe the difference between mechanical and chemical digestion.
Describe the function of the large intestine in the digestive process.
Describe the journey of a piece of bread from the mouth to the anus, naming the main organs it passes through.
Describe what happens to food in the mouth during digestion.
Explain why chewing food thoroughly is important for digestion.
Explain why the small intestine is longer than the large intestine.
Explain why the stomach has a thick, muscular wall.
Name the three main parts of the small intestine in order.
What is the function of the enzyme pepsin in the stomach?
What is the main function of the digestive system?
What is the main function of the enzyme amylase found in saliva?
What is the main function of the rectum in the digestive system?
What is the name of the muscular valve that controls the passage of food from the stomach to the small intestine?
What is the role of villi in the small intestine?
Which organ connects the mouth to the stomach?
Which organ is responsible for absorbing most of the water from undigested food?
Which organ is responsible for producing bile in the human digestive system?
A person is unable to produce enough bile. Predict and explain what effect this would have on their digestion.
After a meal high in fat, which organ releases a substance to help digest the fats, and what is the substance called?
Describe what would happen if the lower esophageal sphincter did not function properly.
