The longest part of the gastrointestinal tract (approximately 6 meters), consisting of the duodenum, jejunum, and ileum. The small intestine is the primary site of chemical digestion and nutrient absorption, with its inner surface amplified by folds, villi, and microvilli to maximize absorptive area.
Start your evidence-based gut health journey today. Free to download, no credit card required.
Download on App Store