Chapter 45: Hormones & the Endocrine System Assignment 1. The nervous and endocrine systems work in conjunction to maintain homeostasis with the body. a. Compare and contrast their actions/functions b. Describe their interrelationship – figure 45.2, 45.7, 45.8 & 45.9, 45.13 provide insight into this. 2. Discuss tropic vs. non-tropic hormones and provide examples of each in y our discussion. 3. Feedback is a major concept of biology and especially prevalent within the endocrine system. Describe positive vs. negative feedback – which is the most common and why? Explain feedback using figure 45.11 as a basis of this concept.