The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...

The digestive system is essential to helping your body break down food so that it can adequately retrieve nutrients and vitamins while also getting rid of waste. It’s composed of the following organs: ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. What did you have for breakfast today and where is that food now? Well, depending on how long ago you ...