Mr Exham’s site has a fantastic section on Blood and Circulation: videos, animations, quizlets, worksheets – go here now!
For self-assessment questions, with exercises and discussions, just click on the correct topic at Biology GCSE & IGCSE Question Bank. The s-cool revision site lets you revise the topic, summarizes the topic & tests you on it. Skoool gives you a lesson, including progress questions, for each Biology topic but you’ll need sound on for it. GCSE Bitesize has revision pages (that take you through the topic), a test and an activity.
CIRCULATION & BLOOD VESSELS:
GCSE Bitesize – Blood Circulation covers how the heart circulates blood & the composition of blood (6m 35s).
Various animations about heart & circulation problems can be found here.
Blood video (a 3m 44s lesson) & Blood music video by Peter Weatherall – 3m 3s and very catchy! And here is a day in the life of a Red Blood Cell (a one minute cartoon) & here a white blood cell chases a bacterium (20s).
Science Bank 22 (Body Parts): you just need Part 2 – the Heart (from 5m 20s to 10m 15s):
THE IMMUNE SYSTEM:
IGCSE Biology: Coursebook, chapter 8, pp. 84 – 97
Infographic from Compound Interest: