Digestive System
Biology ⇒ Human Biology
Digestive System starts at 6 and continues till grade 12.
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See sample questions for grade 9
A patient is unable to digest fats properly. Which organ is most likely not functioning correctly?
A person eats a meal high in carbohydrates. Which enzyme in the mouth begins the digestion of these carbohydrates?
Describe the journey of a piece of bread from the mouth to the anus, naming the main organs it passes through.
Describe the role of enzymes in the digestive system.
Describe the role of hydrochloric acid in the stomach.
Describe what happens to undigested food in the large intestine.
A patient is unable to digest fats properly. Which organ is most likely not functioning correctly?
A person eats a meal high in carbohydrates. Which enzyme in the mouth begins the digestion of these carbohydrates?
Which digestive organ is responsible for producing most of the digestive enzymes?
(1) Stomach
(2) Pancreas
(3) Liver
(4) Large intestine
Which of the following best describes peristalsis?
(1) The release of enzymes
(2) The absorption of nutrients
(3) The wave-like muscle contractions that move food
(4) The production of bile
Which of the following best describes the function of the small intestine?
(1) Absorbs water and forms feces
(2) Absorbs nutrients and minerals from food
(3) Stores bile
(4) Produces saliva
Which of the following is NOT a function of saliva?
(1) Moistening food
(2) Beginning starch digestion
(3) Absorbing nutrients
(4) Helping form the food bolus
Fill in the blank: The __________ stores bile produced by the liver.
Fill in the blank: The enzyme __________ breaks down proteins in the stomach.
Fill in the blank: The finger-like projections in the small intestine that increase surface area for absorption are called __________.
Fill in the blank: The muscular tube that connects the mouth to the stomach is called the __________.
True or False: Digestion of all nutrients is completed in the stomach.
True or False: The digestive system also plays a role in the immune defense of the body.
True or False: The esophagus is responsible for absorbing nutrients from food.
True or False: The gallbladder produces bile.
