18 Questions
What determines the length of the small intestine in animals?
Type of food they eat
Why do herbivores like cows need a longer small intestine compared to carnivores like tigers?
To allow cellulose digestion
What is the function of bile in digestion in the small intestine?
Make acidic food alkaline for enzyme action
Which enzyme present in pancreatic juice is responsible for digesting proteins?
Trypsin
Why are fats present in the intestine in the form of large globules initially?
To increase efficiency of enzyme action
What is the primary role of intestinal juice in the small intestine?
Convert proteins to amino acids
What is the main function of the small intestine in digestion?
Absorption of digested nutrients into the bloodstream
How does bile produced by the liver aid in digestion?
Emulsifies fats to enhance fat digestion
Which enzyme is responsible for breaking down carbohydrates in the small intestine?
Amylase
What is the role of pancreas in digestion?
Produces enzymes for digestion of proteins, fats, and carbohydrates
Why is it important for the small intestine to have a large surface area?
To increase absorption of digested nutrients into the bloodstream
How does pepsin contribute to digestion in the stomach?
Creates an acidic medium for protein digestion
What is the function of the villi in the small intestine?
Increase the surface area for absorption
Where does the absorbed food taken by blood vessels from villi go next?
To each cell of the body for energy usage
What role does bile play in digestion?
Emulsify fats for better digestion and absorption
Which organ produces enzymes that aid in the digestion of proteins, carbohydrates, and fats in the small intestine?
Pancreas
How does dental caries or tooth decay begin?
When bacteria produce acids that soften enamel
What is the purpose of the exit regulated by the anal sphincter?
To remove waste material from the body via the anus
Learn about the function and structure of the small intestine, the longest part of the alimentary canal. Understand how the length of the small intestine varies in different animals depending on their diet, and its role in the complete digestion of carbohydrates, proteins, and fats.
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