Understand Main Ideas 1. MAINIDEA Assess the reasons why hormone feedback systems are referred to as "negative feedback." 2. Predict when you would expect to find high levels of insulin in a person's...

Extracted text: Understand Main Ideas 1. MAINIDEA Assess the reasons why hormone feedback systems are referred to as "negative feedback." 2. Predict when you would expect to find high levels of insulin in a person's blood and when you would expect to find high levels of glucagon in a per- son's blood.