subject

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. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 6
Describe the journey of food from the mouth to the anus.
Describe what happens to food in the stomach.
Explain the difference between mechanical and chemical digestion.
Explain why chewing food is important for digestion.
What happens to undigested food in the large intestine?
What is the function of saliva in the mouth during digestion?
A person is unable to produce enough saliva. What effect might this have on their digestion?
A student eats a meal high in fat. Which organ releases a substance to help break down the fat, and what is the name of that substance?
Which of the following best describes peristalsis? (1) The release of enzymes (2) The movement of food by muscle contractions (3) The absorption of nutrients (4) The production of bile
Which of the following best describes the function of the stomach? (1) Absorbing nutrients (2) Storing bile (3) Mixing food with acid and enzymes (4) Producing insulin
Which of the following best explains why fiber is important in the diet? (1) It provides energy (2) It helps move food through the digestive system (3) It builds muscles (4) It produces enzymes
Which of the following is NOT a function of the digestive system? (1) Breaking down food (2) Absorbing nutrients (3) Pumping blood (4) Eliminating waste
Fill in the blank: The ________ is a muscular organ that churns food and mixes it with digestive juices.
Fill in the blank: The ________ is the last part of the digestive system, where waste leaves the body.
Fill in the blank: The ________ stores bile produced by the liver.
Fill in the blank: The finger-like projections in the small intestine that help absorb nutrients are called ________.
True or False: The digestive system also helps remove waste from the body.
True or False: The esophagus is a muscular tube that pushes food into the stomach.
True or False: The large intestine is mainly responsible for absorbing water from undigested food.
True or False: The liver is the largest internal organ in the human body.