From John, Age 13 - 04/09/06 - IP#: 71.245.23.xxx  Click here to reply  
Ht. 4'11, Wt. 145 - what is cardio?
Reply from Claire, Age 17 - 04/09/06  - IP#: 24.239.149.xxx
yeah. Exercises for your heart.		 
Reply from charlotte, Age 15 - 04/09/06  - IP#: 71.112.40.xxx
it's things like joggin,jumproping, dancing,running,things like that