Question

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muscle organ used to maneuver food within the mouth by collecting food and moving it to the back of the mouth when swallowing
small finger - like projections which aid in absorption
point of entry for food into the digestive system, first site of the reduction of food size, adds the first bodily fluids to the bolus, composed of the teeth and tongue
protective flap which closes over the trachea when food is swallowed
epiglottis tongue mouth

Explanation:

1. The tongue is the muscle - organ that maneuvers food in the mouth, collects it, and moves it to the back for swallowing.
2. Villi are the small finger - like projections that aid in absorption.
3. The mouth is the point of entry for food into the digestive system, where food size is first reduced and saliva (first bodily fluid) is added to the bolus, and it is composed of teeth and tongue.
4. The epiglottis is the protective flap that closes over the trachea when food is swallowed.

Answer:

1. Tongue
2. Villi
3. Mouth
4. Epiglottis