Which of the following structures is listed as an anatomical player for normal swallowing?

• A. Tongue
• B. Larynx
• C. Epiglottis
• D. Trachea

Answer: (A)

The main idea here is that the tongue drives the oral phase of swallowing. It gathers food, forms it into a cohesive bolus with saliva, presses the bolus against the hard and soft palate, and then propels it posteriorly into the oropharynx. This tongue-based propulsion is the key action that moves the swallow forward in normal swallowing.

The other structures have important roles, but not as the primary mover of the bolus. The larynx and epiglottis protect the airway during swallow, coordinating with the swallow to prevent aspiration, while the trachea is part of the airway and doesn’t participate in moving the bolus. So, the tongue stands out as the best answer because it is the central structure directly responsible for forming and pushing the bolus along the swallow pathway.