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 ...

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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 a group of organs that work together to change the food you eat into the energy and nutrients your body needs. After you consume food and liquids, the digestive system breaks ...