You may understand the respiratory and digestive systems as separate entities but, in many ways, the two are intimately connected. For example, breathing provides oxygen to help your digestive tract ...

The human digestive system functions as a complex biological network, supported by several mechanisms that work in harmony to ensure proper digestion and nutrient absorption. One key element of this ...

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 ...

An enzyme is a type of protein found within a cell. Enzymes create chemical reactions in the body, and can actually speed up the rate of a chemical reaction to help support life. Enzymes are produced ...