| 31. | This helps prevent many illnesses, especially those affecting the gastrointestinal tract.
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| 32. | The response is usually localized, typically in the gastrointestinal tract.
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| 33. | Most cancers of the gastrointestinal tract start with the epithelial cells near the surface,
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| 34. | The virus then remains latent in the gastrointestinal tract {{
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| 35. | The gastrointestinal tract may also be distended in chronic cases.
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| 36. | The main regulatory mechanism is situated in the gastrointestinal tract.
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| 37. | Maybe the entire gastrointestinal tract is a single organ, then.
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| 38. | IL-25 induces the production of other cytokines, including gastrointestinal tract.
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| 39. | Cobalt is absorbed though the lungs, gastrointestinal tract, and skin.
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| 40. | The gastrointestinal tract is awash in nerve cells and neurotransmitters.
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