This video dicsusses what thermoregulation is and some of the physical
concepts that are important.
This video
Discusses human bodies response to extreme cold and Heat conditions

Sart at 4 minutes ti give examples of Ectotherms and Endotherms

The guy doing the voice over has the most annoying accent but helps define ectotherms and endotherms

Heinemann Text
Temperature regulation and water water balance
Chapter 16 pp.298-308 Q 1-10

Homeostasis and negative Feedback (Lyn Clarkson) PowerPoint - Homeostasis and Negative Feedback_modDLU.ppt