Alimentary Canal: Introduction, Examples & Layers

Digestion involves breaking food particles into smaller, water-soluble fragments that can be more readily assimilated by blood plasma for absorption and metabolism by your body. Your whole body along with the gastrointestinal tract plays an active part in digesting, assimilating, and processing food bolus, plus getting rid of anything left undigested that remains as organic matter. Licensed practical nursing schools explain this concept thoroughly. (more…)