Both food and air travel through the:

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BlackTom AI · Accepted Answer

When evaluating where both food and air travel through, we need to consider the shared pathway that handles both substances before they diverge to their respective routes.
Option 1: 'mouth and pharynx' — This is the correct shared entryway for both air and food. Air enters through the mouth (or nose) and both air and ingested material pass through the pharynx, which serves as a common passage before divergence into the esophagus for food and the larynx/trachea for air.
Option 2: 'esophagus and mouth' — The mouth is indeed a portal for both, but the esophagus only carries food; it does not transport air. Therefore this combination is incorrect for the shared pathway of both substances.
Option 3: 'trachea and pharynx' — The pharynx is involved in routing both air and food, but the trachea carries only air into the lungs and does not transport food. Since food does not travel through the trachea, this option is inaccurate as a description for both substances.
Option 4: 'larynx' — The larynx is primarily involved in voice production and airway protection, not in carrying food. Food passing through would be directed away from the larynx; thus, this option fails to describe the shared pathway for both.

hk_264_120258_248438 Chapter 9 Self Test: Respiratory System

Both food and air travel through the:

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