This powerpoint is an introduction to the endocrine system and focuses on hormones. After a quick overview of all endocrine glands, the chapter defines and classifies hormones. It also goes through how hormones are released from glands and how they interact with other glands. Lastly, it introduces endocrine pathologies. Chapter 23 goes into more detail about different diseases of the endocrine system. Each slide has speaker notes and there are review questions at the end to be used as a review or exam questions! Happy teaching!