The mesentery is an organ that attaches all the digestive organs in the abdomen. It connects much of the intestines to the back abdominal wall, holding them in place when a person stands upright. The ...

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 ...

When a person is at rest, meditating or reading a book, the parasympathetic nervous system is at work. Also known as the "rest and digest" system, the parasympathetic nervous system is responsible for ...