Podcast
Questions and Answers
Where does mechanical digestion occur in the human body?
Where does mechanical digestion occur in the human body?
- Esophagus
- Small intestine
- Mouth and stomach (correct)
- Large intestine
What is the purpose of digestive enzymes in chemical digestion?
What is the purpose of digestive enzymes in chemical digestion?
- To coat food with saliva
- To absorb nutrients into the bloodstream
- To break down nutrients into waste
- To break down food into smaller molecules (correct)
What is a characteristic of simple digestive systems?
What is a characteristic of simple digestive systems?
- Multiple digestive enzymes for protein breakdown
- A long digestive tract with specialized regions
- A complex network of blood vessels for nutrient absorption
- A single opening for food intake and waste elimination (correct)
What is unique about the human digestive system?
What is unique about the human digestive system?
What is the term for the removal of waste food materials from the body?
What is the term for the removal of waste food materials from the body?
What is the role of peristalsis in mechanical digestion?
What is the role of peristalsis in mechanical digestion?
What is the function of the rugae in the stomach?
What is the function of the rugae in the stomach?
What type of muscle controls the movement of food into and out of the stomach?
What type of muscle controls the movement of food into and out of the stomach?
What is the function of the submucosa layer in the stomach?
What is the function of the submucosa layer in the stomach?
What is the hormone that initiates the release of gastric juice in the stomach?
What is the hormone that initiates the release of gastric juice in the stomach?
What is the semi-liquid material created by the churning action of the stomach?
What is the semi-liquid material created by the churning action of the stomach?
How many layers does the stomach have?
How many layers does the stomach have?
What is the primary function of the premolars and molars in the mouth?
What is the primary function of the premolars and molars in the mouth?
What is the primary enzyme found in saliva that aids in chemical digestion?
What is the primary enzyme found in saliva that aids in chemical digestion?
What is the approximate length of the gastrointestinal tract in humans?
What is the approximate length of the gastrointestinal tract in humans?
What is the primary function of the salivary glands in the mouth?
What is the primary function of the salivary glands in the mouth?
What is the term for the process of breaking down food into smaller pieces using teeth?
What is the term for the process of breaking down food into smaller pieces using teeth?
What is the order of the journey of digestion in the gastrointestinal tract?
What is the order of the journey of digestion in the gastrointestinal tract?