Which of the following correctly describes 'Mechanical Digestion'?
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Correct answer: Physical processes like chewing and segmentation that increase surface area for enzymes
Mechanical digestion involves physical movements—mastication in the mouth, churning in the stomach, and segmentation in the small intestine. This process physically breaks food into smaller pieces without altering its chemical structure, making chemical digestion by enzymes more efficient.
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More Digestive System Overview questions
- The primary function of the digestive system is to:
- Which organ is responsible for both digestion and absorption of nutrients?
- Which accessory organ secretes digestive enzymes into the gastrointestinal tract?
- Which structure connects the pharynx to the stomach?
- Which layer of the gastrointestinal tract is primarily responsible for peristalsis?
- Which function is primarily associated with the large intestine?