11 Questions
What is the main function of bile in chemical digestion?
Neutralize the acidic food and gastric juices
Where does absorption of most nutrients occur?
Small intestine
What is the role of capillaries associated with villi in the small intestine?
Carry glucose and amino acids in the blood
Why is the ileum particularly adapted for absorption?
It has a highly folded surface with millions of villi and microvilli
What do lacteals do in the small intestine?
Transport fatty acids and glycerol in the lymph
What is the role of chemical digestion?
To produce small soluble molecules that can be absorbed
Where does the enzyme amylase act?
In the mouth and duodenum
Which enzyme breaks down protein in the stomach?
Protease (Pepsin)
What is the main function of hydrochloric acid in gastric juice?
Kills harmful microorganisms and provides optimal acidic pH for enzyme activity
Where is lipase secreted from and where does it act?
Secreted by pancreas, acts in the duodenum
Which enzyme plays a role in both physical and chemical digestion?
Bile
Explore the process of chemical digestion, where large molecules are broken down into smaller, absorbable molecules. Learn about key enzymes like amylase and protease and their functions in breaking down starch and proteins. Understand the importance of chemical digestion in the digestive system.
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