Chemical digestion occurs when the body uses enzymes to break down certain molecules, such as carbohydrates. This process allows the bloodstream to absorb smaller molecules to transport around the ...

Chemical digestion is one of the six main functions of your digestive system. This system consists of your digestive or gastrointestinal tract and accessory organs. During chemical digestion, your ...

Complex carbs have lots of sugar molecules bonded together in long chains and take longer to digest. Whereas simple carbs have just one or two molecules that your body absorbs quickly. Since complex ...

A nutrition expert breaks down how long it takes to digest food—and shares tips on keeping your digestive system healthy.