Staying healthy.

Staying healthy:
http://www.bbc.co.uk/schools/gcsebitesize/scienc/ocr_gateway/understanding_organisms/staying_healthyrev1.shtml
Animation:http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway/understanding_organisms/staying_healthyact.shtml

 Blood pressure animation:
http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway/understanding_organisms/fitness_healthact.shtml

Diet and exercise:
http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway/understanding_organisms/dietact.shtml

Staying in balance:
http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway/understanding_organisms/staying_in_balanceact.shtml