Chapter 1: Overview of the Endocrine System
Completion requirements
Learning Objectives:
- Define the endocrine system and describe its major functions.
- Differentiate between endocrine and exocrine glands.
- Explain the role of hormones in maintaining homeostasis
1. Introduction
- The endocrine system is a complex network of cells, tissues, glands and organs that produce, store, and secrete hormones into blood
- Unlike the nervous system (which uses electrical impulses), the endocrine system regulates body functions via chemical messengers transported through the bloodstream.
Key Functions:
- Regulation of growth and development
- Control of metabolism and energy balance
- Maintenance of fluid, electrolyte, and acid–base balance
- Regulation of reproductive processes
- Coordination of the body’s response to stress