Chapter 11, Problem 3AAE

Summary Introduction

To determine: The most likely cause of the symptoms, such as deficient growth, failure to show sexual development, and decreased ability to respond to stress.

Introduction: The endocrine system is the chemical signaling system that uses the blood vessels as information channels. The endocrine glands are ductless organs located within the organ systems and contain groups of endocrine cells that secrete their hormones directly into their surroundings. Hormones are signaling molecules that help to regulate physiology and behavior.