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The Digestive System

Biology

The digestive system breaks down food into usable nutrients through organs like the mouth, esophagus, stomach, and intestines. Digestion begins in the mouth with saliva and enzymes.

Digestion Anatomy Health
9 Questions Easy Ages 8+ Nov 29, 2025

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About this Study Set

This study set covers Biology through 9 practice questions. The digestive system breaks down food into usable nutrients through organs like the mouth, esophagus, stomach, and intestines. Digestion begins in the mouth with saliva and enzymes. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 9 questions from the The Digestive System study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the main function of the digestive system?
  • A Breaking down food
  • B Pumping blood
  • C Filtering air
  • D Producing hormones
2 Which organ does the digestive process start in?
  • A Stomach
  • B Esophagus
  • C Mouth
  • D Small intestine
3 What liquid in the mouth helps moisten food and break down starch?
  • A Gastric juice
  • B Saliva
  • C Bile
  • D Pancreatic juice
4 What enzyme in saliva helps in the digestion of starch?
  • A Ptyalin (Amylase)
  • B Pepsin
  • C Lipase
  • D Trypsin
5 After being swallowed, where does food go next?
  • A Stomach
  • B Esophagus
  • C Small intestine
  • D Large intestine
6 The esophagus is described as a long muscular what?
  • A Gland
  • B Tube
  • C Organ
  • D Pouch
7 What are the wave-like movements that push food down the esophagus called?
  • A Segmentation
  • B Peristalsis
  • C Absorption
  • D Chyme
8 Which organ is a muscular pouch that secretes gastric juice?
  • A Esophagus
  • B Stomach
  • C Small intestine
  • D Large intestine
9 The process of breaking down food is called?
  • A Absorption
  • B Digestion
  • C Respiration
  • D Excretion
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