Examlex
Most of the oxygen in the blood is transported by ____.
Tongue
A muscular organ in the mouth that aids in chewing, swallowing, and taste sensation.
Salivary Glands
Glands located in the mouth that produce saliva, aiding in digestion and maintaining oral health.
Pepsinogen
The inactive precursor of pepsin, a digestive enzyme that is secreted by the stomach wall and activates in gastric acid.
Chief Cells
Cells found in the stomach and parathyroid glands that are responsible for secreting pepsinogen and parathyroid hormone, respectively.
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