Multiple Choice
Which organ is a pouchlike muscular structure responsible for the majority of the digestion of food in the human body?
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23. The Digestive System
Introduction to the Digestive System
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The salivary glands provide ___________ digestion while the teeth provide _________ digestion.
A
mechanical; absorption
B
mechanical; chemical
C
chemical; mechanical
D
enzymatic; absorption
Verified step by step guidance1
Understand the two types of digestion: Mechanical digestion involves physical breakdown of food (e.g., chewing by teeth), while chemical digestion involves enzymatic breakdown of food molecules (e.g., enzymes in saliva).
Identify the role of salivary glands: Salivary glands secrete saliva, which contains enzymes like amylase that chemically break down carbohydrates. This is an example of chemical digestion.
Identify the role of teeth: Teeth physically break down food into smaller pieces through chewing, which is an example of mechanical digestion.
Match the correct terms to the roles: Salivary glands are responsible for chemical digestion, and teeth are responsible for mechanical digestion.
Review the provided answer choices and select the one that matches the explanation: 'chemical; mechanical' is the correct pairing based on the roles of salivary glands and teeth.
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