Each of these substances is produced by exocrine or endocrine cells found in the mucosa. 1  The main exocrine product of the stomach is gastric juice â a mixture of mucus, hydrochloric acid, and digestive enzymes. 2  Gastric juice is mixed with food in the stomach to promote digestion.
Industry is the production of goods or related services within an economy. The major source of revenue of a group or company is the indicator of its relevant industry. When a large group has multiple sources of revenue generation, it is considered to be working in different industries.
Definition. The industrial sector of an economy that is dominated by the manufacture of finished products. Unlike a primary industry, which collects and produces raw materials for manufacture, a secondary industry makes products that are more likely to be consumed by individuals.Examples of secondary industry divisions include automobile manufacturing, steel production and telecommunications.nlike a primary industry, which collects and produces raw materials for manufacture, a secondary industry makes products that are more likely to be consumed by individuals.