Download Human Digeative System Pictures

Download Human Digeative System Pictures. The alimentary canal begins at the mouth, passes through the thorax, abdomen, and. The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder).

Here the process of chewing starts to break down food and enzymes.

Without digestion, we could not absorb food into our bodies and use it. Food is our fuel, and its nutrients give our bodies' cells the energy and substances they need to work. The human digestive system is capable of breaking down a number of dietary items, like carbohydrates (starches), proteins and lipids with the help of various fluids, acidic secretions, enzymes and chemicals that are poured into the digestive tract at different points. ⇒ click on the diagram to show / hide labels.