Abrahams P (2002) The Atlas of the Human Body London: Amber Books
Adam Inc (2010) Brain Structures
www.adamimages.com/illustrational/Searchresults/1/brain access 02/05/2010
BBC (2010) Nervous System- Peripheral Nervous System
www.bbc.co.uk/Science/humanbody/body/factfiles/peripheralnervoussystem/peripheral_nervous_system.shtml accessed 26/04/2010
Bianco C (2010) How Blood Works
www.health.howstuffworks.com/blood.htm accessed 04/05/2010
Cancer Help UK (2010) The Blood and Circulation
www.cancerhelp.org.uk/about-cancer/what-is-cancer/body/the-blood-and-circulation
accessed 04/05/2010
Curaservice (2010) Lungs and Circulation
www.curaservice.com/parents_visitors/lungs_circulation/pop_structure_alveoli_1.htm accessed 26/04/2010
Franklin Institute (2010) The Human Heart
www.fi.edu/learn/heart/blood/plasma.html accessed 03/05/2010
Gogoi C (2010) Breathing; An ideal marriage of the nervous and respiratory system
www.ezinearticles.com/?Breathing-An-Ideal-Marriage-of-the-Nervous-System-And-Respiratory-Systems&id=283667 accessed 26/04/2010
Ivy Rose (2010) Blood Vessels
www.ivy-rose.co.uk/HumanBody/Blood/Blood_Vessels.php accessed 02/05/2010
Medicine Net (2007) Red Blood Cells
www.medterms.com/script/main/art.asp?articlekey=5260 accessed 04/05/2010
Parker, S (2007) The Human Body London: Dorling Kindersley
Teach PE (2010) Respiratory System
www.teachpe.com/anatomy/respiratory_system.php accessed 30/04/2010
Vascular Concepts (2010) The Cardiac Cycle
www.vascularconcepts.net/content/pages.php?pg=patients_cardio_system&page=cardiac_cycle accessed 02/05/2010