|The structural component of the ear and nose is ____.
|The ____ splits into the trachea and the esophagus.
|The ability of your body to resist and fight infection is ____.
|The liver produces ____ which aids in the digestion of fats.
|A ____ is anything that promotes the formation of cancer.
|Gastric acid that backs up into the esophagus causes ____.
|The cerebrum, cerebellum, and medulla are parts of the ____.
|The ____ secretes digestive enzymes, insulin, and glucagon.