consists of a mixture of gases and particles, including oxygen, nitrogen, hydrogen, carbon dioxide, water vapor, and dust.
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Organs that are not part of the gastrointestinal tract are the liver, gallbladder, pancreas, etc.
The<em> gastrointestinal tract</em>, which is also called the <em>alimentary canal</em>, is the pathway by which food enters the body and solid wastes are expelled.
The organs in the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, and anus.
Examples of organs that are not part of the gastrointestinal tract are the liver, gallbladder, pancreas, etc.
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