Podcast
Questions and Answers
What is the role of peristaltic movements in the digestive system?
What is the role of peristaltic movements in the digestive system?
- Release hydrochloric acid in the stomach
- Mix food with saliva in the mouth
- Help push food forward along the digestive tube (correct)
- Assist in absorbing nutrients in the small intestine
What is the function of hydrochloric acid in the stomach during digestion?
What is the function of hydrochloric acid in the stomach during digestion?
- Assist in emulsifying fats
- Break down proteins with the help of pepsin (correct)
- Protect the stomach lining from enzymes
- Create an alkaline medium for enzyme activity
How does the mucus in the stomach contribute to digestion?
How does the mucus in the stomach contribute to digestion?
- Inhibits the action of hydrochloric acid
- Secretes additional enzymes for digestion
- Helps in absorbing nutrients from food
- Protects the stomach lining from acid damage (correct)
What controls the exit of food from the stomach into the small intestine?
What controls the exit of food from the stomach into the small intestine?
In what organ does digestion primarily occur through the action of gastric glands?
In what organ does digestion primarily occur through the action of gastric glands?
How does food move from the mouth to the stomach?
How does food move from the mouth to the stomach?
What is the main function of the small intestine?
What is the main function of the small intestine?
Why do herbivores need a longer small intestine compared to carnivores?
Why do herbivores need a longer small intestine compared to carnivores?
How does the presence of villi in the small intestine benefit the process of absorption?
How does the presence of villi in the small intestine benefit the process of absorption?
What is the role of bile salts in the small intestine?
What is the role of bile salts in the small intestine?
What happens to unabsorbed food in the large intestine?
What happens to unabsorbed food in the large intestine?
Which organ secretes pancreatic juice containing enzymes for digesting proteins and fats?
Which organ secretes pancreatic juice containing enzymes for digesting proteins and fats?
What is the function of dental plaque in the context of tooth decay?
What is the function of dental plaque in the context of tooth decay?
What do the walls of the small intestine contain that secrete intestinal juice?
What do the walls of the small intestine contain that secrete intestinal juice?
How does the anal sphincter control the passage of waste material out of the body?
How does the anal sphincter control the passage of waste material out of the body?
Why is it challenging for enzymes to act on fats present in the small intestine?
Why is it challenging for enzymes to act on fats present in the small intestine?
What role do blood vessels play in the process of nutrient absorption in the small intestine?
What role do blood vessels play in the process of nutrient absorption in the small intestine?
How does dental caries start and progress in teeth?
How does dental caries start and progress in teeth?
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