In the human digestive system, the main sites of digestion are the oral cavity, the stomach, and the small intestine. Digestive enzymes are secreted by different exocrine glands including: 1  Salivary glands. 2  Secretory cells in the stomach.3  Secretory cells in the pancreas. 4  Secretory glands in the small intestine.here are two types of salivary glands: 1  serous glands: These glands produce a secretion rich in water, electrolytes, and enzymes. 2  Mixed glands: These glands have both serous cells and mucous cells, and include sublingual and submandibular glands.
To qualify means you put it in a category. to quantify means to count it.
(third-person singular simple present quantitates, present participle quantitating, simple past and past participle quantitated) To measure the quantity of. Especially with high accuracy and including measurement uncertainty, as in quantitative analysis.