Digestion and Absorption of Food

The video explains the digestion process, detailing mechanical and chemical breakdowns of food. It covers the digestion of carbohydrates, proteins, lipids, and nucleic acids, highlighting the enzymes involved and the absorption of nutrients in the GI tract. The absorption of water, ions, and vitamins is also discussed, emphasizing the roles of active and passive transport.

What are the two main processes involved in digestion?

Describe the role of salivary amylase in the digestion of starch.

How does hydrochloric acid contribute to protein digestion in the stomach?

Explain the process of fat digestion and the role of bile salts.

What is the function of the enzyme nucleotidase in the digestion of nucleic acids?

How are water-soluble vitamins absorbed in the small intestine?

What is the significance of Castle's intrinsic factor in vitamin absorption?