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.
Quantity tells you âhow much.â If you're concerned with quantity not quality, it's more important how many you have than how good they are. If you get confused about quantity vs. quality, remember that quant is close to count. In Latin, quantus means âhow greatâ or âhow much.â When you count how many oranges are in a bowl, you know the quantity. When you count the grains of sand in a desert, you're counting a very large quantity . . . and you need a new hobby. Definitions of quantity.