Insulin receptors regulate glucose level in blood. without that, glucose level would be uncontrolled/not normal (high/low) and it would be impossible to maintain homeostasis (stability) :P hope it will help.. :)
Homeostasis is the ability of the body to regulate its internal environment within limits that allow it to survive
It's a pretty common symbol, mostly in the U.S. How ever it is two snakes with a set of wings, this stands for medicine instead of the correct rod of asclepius. I hope in some way this helps.
B. because if there’s something wrong with the muscles and strength that can come from heart health and lead up to more problems
