Among Mammals, It Is Generally True That

Multiple Choice

Among mammals, it is generally true that

A) all types of foods begin their enzymatic digestion in the mouth.
B) after leaving the oral cavity, the bolus enters the larynx.
C) the epiglottis prevents swallowed food from entering the trachea.
D) the esophagus is a key source of digestive enzymes.
E) the trachea leads to the esophagus and then to the stomach.