Westonci.ca offers fast, accurate answers to your questions. Join our community and get the insights you need now. Join our platform to get reliable answers to your questions from a knowledgeable community of experts. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

This is a control mechanism that monitors levels of a substance and triggers a change in physiology to bring levels back to normal when the substance is not normal:
a) Thermostat
b) Sliding scale
c) Hormonestorm
d) Negative feedback