A-Level Biology (OCR)
640 videos | 87 hours
Enable autoplay to keep watching
Your browser is blocking videos from playing automatically. To turn it back on:
Safari (Mac): Click the Safari menu item in the top bar, then Settings → Websites → Auto-Play, then set Auto-Play to Allow All Auto-Play for the current website.
Safari (iPhone/iPad): open the Settings app, then Apps → Safari → Auto-Play, and select Allow All Auto-Play.
Communication, homeostasis and energy
Communication and homeostasis
Controlling Heart Rate
12:35
Regulation
Spec
5.1.1(d)
98
questions for Communication, homeostasis and energy
3
questions for Communication and homeostasis
This video covers the following point of the OCR specification.
.png)
Report an Issue
Spotted something wrong? Let us know and we'll take a look.