Among mammals, it is generally true that

Question

Quizplus · Accepted Answer

The epiglottis is a flap of tissue that covers the trachea during swallowing, preventing food from entering the airway.

Note: None of the other choices are correct. A is false because enzymatic digestion of carbohydrates begins in the mouth but not all types of food begin there. B is false because the bolus enters the pharynx, not the larynx. D is false because the esophagus does not produce digestive enzymes. E is false because the trachea does not lead to the esophagus; rather, the two structures are separate and do not connect.

Among Mammals, It Is Generally True That