Digestive System
Biology ⇒ Human Biology
Digestive System starts at 6 and continues till grade 12.
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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.
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?
Explain why people who have had their gallbladder removed may need to eat smaller, more frequent meals that are low in fat.
Which of the following best describes peristalsis?
(1) The release of digestive enzymes
(2) The rhythmic contraction of muscles to move food
(3) The absorption of nutrients
(4) The production of bile
Which of the following best describes the function of bile?
(1) Breaks down proteins
(2) Emulsifies fats
(3) Absorbs water
(4) Produces insulin
Which of the following best describes the role of the pancreas in digestion?
(1) Absorbs nutrients
(2) Produces digestive enzymes and hormones
(3) Stores bile
(4) Breaks down toxins
Which of the following is NOT a function of the liver?
(1) Producing bile
(2) Storing vitamins
(3) Absorbing nutrients
(4) Breaking down toxins
Fill in the blank: The ________ is a flap of tissue that prevents food from entering the windpipe during swallowing.
Fill in the blank: The ________ is a long, coiled tube where most digestion and absorption of nutrients takes place.
Fill in the blank: The ________ is the first part of the digestive system where food enters.
Fill in the blank: The ________ is the last part of the digestive system, where waste is eliminated from the body.
True or False: Digestive enzymes are only found in the stomach.
True or False: Fats are digested mainly in the small intestine.
True or False: The appendix plays a major role in human digestion.
True or False: The esophagus is lined with villi to absorb nutrients.
