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Questions and Answers
Where does mechanical digestion take place in the human digestive system?
Where does mechanical digestion take place in the human digestive system?
- In the large intestine through peristalsis
- In the mouth through mastication and in the small intestine through segmentation contractions (correct)
- In the esophagus through swallowing
- In the stomach through acid secretion
What is the role of enzymes in chemical digestion?
What is the role of enzymes in chemical digestion?
- To provide mechanical breakdown of food
- To break down food into small compounds that the body can use (correct)
- To transport food through the digestive system
- To regulate the pH of the stomach
How are the smaller substances from digestion absorbed in certain organisms?
How are the smaller substances from digestion absorbed in certain organisms?
- Through the esophagus into the stomach
- Through the small intestine into the blood stream (correct)
- Through the stomach into the lymphatic system
- Through the large intestine into the liver
What initiates the mechanical digestion of food in the human digestive system?
What initiates the mechanical digestion of food in the human digestive system?
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What is the primary purpose of digestion?
What is the primary purpose of digestion?
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