9. Distinguish between
(e) Simple gland and compound gland
Some major difference between simple and compound glands is discussed below:
| Simple gland | Compound gland |
| These are unicellular | These are multicellular |
| These possess isolated glandular cells | These types of glands are composed of secretory cells |
| It is mainly involved in the function of absorption and secretion. | It is mainly involved in protection and has a limited role in absorption and secretion. |
| It is present in the lining of the stomach, and intestine. | It is present in the lining of the pharynx and buccal cavity. |