The gastrointestinal (GI) tract is a(n) _____ tube that twists its way from the mouth to the anus. Chemically inert objects can travel in one end and out the other without change, and are technically never inside the body.

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Anatomy refers to the internal and external structures of the body and their physical relationships, whereas physiology refers to the study of the functions of those structures.


1. The gastrointestinal (GI) tract is a(n) _____ tube that twists its way from the mouth to the anus. Chemically inert objects can travel in one end and out the other without change, and are technically never inside the body.