The Circulatory System - The Blood - AQA Biology B2

Our blood isn't just the red stuff that comes out of us when we get cut; it has a far more important job than just making us cringe. Instead, our blood has many functions which are vital in keeping us alive. In this video we discuss the different components which make up our blood, and discuss the functions of these. Enjoy! As always, please feel free to contact me by following this link: http://www.sunnylearning.com/contact.html