The different types of cellular functions n the human body are controlled and regulated by the specialized glands of the endocrine system.
These glands are secretory organs which are divided into two main types:
Exocrine glands: They are the glands which function by producing and secreting substances onto an epithelial surface with the help of the ducts. Sweat, salivary, mammary, lacrimal, sebaceous, and mucus are the glands of the exocrine system.
Endocrine glands: They are the ductless glands endocrine system, which functions by secreting hormones, directly into the bloodstream. The glands of the endocrine system include:
- Adrenal Glands,
- Parathyroid Gland,
- Pineal Gland,
- Pituitary Gland,
- Thyroid Gland.
Hormones are the chemical substances produced from endocrine glands. They travel through the bloodstream to tissues and organs and function by regulating the organs and other physiological processes in the living organism.
For more information about the Chemical Coordination and Integration, click on the below-mentioned links.