Glands of the Human Body
Organs of the human body, which manufacture some liquid products, which are secreted from the cells, are called glands. There are two types of glands in the human body.
Types of Glands in the Human Body
- Ducted Glands: Ducted glands, also called exocrine glands secrete their product through well-defined ducts, e.g., Liver - production of bile; Lachrymal - secretes tears in the eyes; Salivary - secretes saliva in the mouth; Sweat glands in the skin - secrete sweat.
- Ductless Glands: Also called endocrine glands or internally secreting glands, they secrete hormones directly into the bloodstream in response to instructions from the brain.
Ductless Glands
| Thymus | In early childhood, it plays some part in building resistance to diseases and physical development |
| Thyroid | Regulates metabolism |
| Prostate | Regulates blood pressure and sexual potency |
| Gonads | Relates to the reproductive system and secretes sex hormones |
| Adrenal | Causes acceleration of the breath heightens emotion and a sudden increase in physical strength during fear or anger |
| Pancreas | Aids in the digestion of proteins, carbohydrates, and fats; it secretes insulin, and deficiency of insulin causes diabetes |
| Pituitary | Called the master gland as it controls the other ductless glands and influences growth and metabolism |