A good powerpoint (although we don’t need the last few slides about controlling water levels):
Homeostasis of the body from Claire Gaukrodger
Science Bank 16 (Homeostasis): You only need Part 1 – Controlling Temperature (to 5m 10s) & Part 3- Controlling Blood Sugar Level (from 9m to 14m 10s):
A powerpoint can be downloaded from here, a 5m 33s animation on Homeostasis is here & this link to GCSE Bitesize will help you revise the topic.
Videos include The Virtual Body – Homeostasis (19m), Homeostasis – The New Living Body (19m) & BBC Short Circuit Homeostasis (19m).
IGCSE Biology: Coursebook, chapter 11, pp. 145 – 151
This powerpoint covers Homeostasis & Negative Feedback to slide 27; that’s all we need: