Food and Digestion: Journey Through the Digestive Tract

The video explains the differences between the stomach and esophagus, highlighting the stomach's role in digestion through mechanical and chemical processes. It describes how food is broken down into a mixture called chyme. The small intestine is detailed as the primary site for nutrient absorption, aided by enzymes from the liver and pancreas. The structure of villi in the small intestine is explained, emphasizing their role in increasing surface area for absorption. Finally, the large intestine's function in water reabsorption and waste elimination is discussed.

What role do the liver and pancreas play in digestion?

Explain how nutrients are absorbed in the small intestine.