BBC3y
The structure of the digestive system
Chemical digestion occurs when enzymes digest food into nutrients. The intestines have lots of tiny folds in them which create a large surface area for absorbing nutrients and water. In the small ...
Medscape7d
Part 1. Current Controversies in the Understanding of Necrotizing Enterocolitis
The result is formation of multiple villi and microvilli. Intestinal villi, with their branching projections and folds, increase the surface area for absorption tremendously. With a combination of ...
BBC3y
The structure of the digestive system
Chemical digestion occurs when enzymes digest food into nutrients. The intestines have lots of tiny folds in them which create a large surface area for absorbing nutrients and water. In the small ...