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What Muscle Propels Food Through The Gastrointestinal Tract?

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What Muscle Propels Food Through The Gastrointestinal Tract? Explanation: Smooth muscles are located in the wall of digestive tract. The contraction and relaxation What propels food through the GI tract? Food moves through your GI tract by a process called peristalsis. The large, hollow organs of your GI tract contain a layer of muscle that

What Are The 5 Portals Of Entry?

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What Are The 5 Portals Of Entry? Portals of entry into the human body include inhalation, absorption (via mucous membranes, eyes or naughty bits), ingestion (via the gastrointestinal tract), inoculation (as the result of puncture or trauma) or introduction (insertion of medical devices). What are some examples of portal of entry? Inhalation (via the respiratory