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Ch. 23 - The Digestive SystemWorksheetSee all chapters
All Chapters
Ch. 1 - Introduction to Physiology
Ch. 2 - Molecules and Molecular Interactions
Ch. 3 - Cells and Tissues
Ch. 4 - Cell Metabolism: Bioenergetics, Enzymes, and Respiration
Ch. 5 - Membrane Dynamics
Ch. 6 - Cell Communication
Ch. 7 - Integumentary System
Ch. 8 - Bone and Cartilage
Ch. 9 - Skeletal System
Ch. 10 - Joints
Ch. 11 - Muscles
Ch. 12 - The Nervous System I: Neurons and Neuronal Networks
Ch. 13 - The Nervous System II: The Central Nervous System
Ch. 14 - The Autonomic Nervous System
Ch. 15 - Sensory Physiology
Ch. 16 - The Endocrine System
Ch. 17 - Cardiovascular Physiology I: The Heart
Ch. 18 - Cardiovascular Physiology II: Blood, Blood Vessels, Circulation, and Exchange
Ch. 19 - The Urinary System
Ch. 20 - Respiratory Physiology
Ch. 21 - Acid-Base Balance-- Controlling Blood pH
Ch. 22 - Introduction to the Immune System
Ch. 23 The Lymphatic System
Ch. 23 - The Digestive System
Ch. 24 - Regulation of Metabolism and Energy Balance
Ch. 25 - Human Sexual Reproduction and Development

Concept #1: Four Functions of the Digestive System

Concept #2: Anatomy of the Digestive System

Concept #3: The Seven Sphincters

Practice: There is lots of smooth muscle in the walls of the GI tract. The contractions of this smooth muscle serve two functions: to break up food into smaller pieces and to move the food along the GI tract. Which of the following describe the role of smooth muscle in the walls of the GI tract? (Choose all that apply.)

Practice: A 21-year-old girl eats corn at a 4th of July barbecue. The corn is not digested and is removed from the body whole and unchanged in the feces. Through which of the following organs does the corn pass on its way from her mouth to the toilet? (Choose all that apply.)

Practice: A 21-year-old girl eats corn at a 4th of July barbecue. The corn is not digested and is excreted whole in the feces. Through which of the following sphincters did the corn not pass on its way from her mouth to the toilet?