Podcast
Questions and Answers
What is digestion?
What is digestion?
- The breakdown of large insoluble food compounds into small water-soluble components (correct)
- The absorption of food into the blood plasma
- The process of chewing food in the mouth
- The movement of food through the small intestine
Where does mechanical digestion take place in the human digestive system?
Where does mechanical digestion take place in the human digestive system?
- In the esophagus and stomach
- In the mouth and small intestine (correct)
- In the small intestine and large intestine
- In the stomach and large intestine
What is the role of enzymes in chemical digestion?
What is the role of enzymes in chemical digestion?
- To physically break down large pieces of food
- To absorb nutrients into the blood stream
- To move food through the digestive system
- To break down food into small compounds that the body can use (correct)
Through which organ does absorption of smaller substances into the blood stream occur in certain organisms?
Through which organ does absorption of smaller substances into the blood stream occur in certain organisms?
What is the initial step of mechanical digestion in the human digestive system?
What is the initial step of mechanical digestion in the human digestive system?