Again? You didn't do what Ms. Sue suggested?
http://www.jiskha.com/display.cgi?id=1260641917
http://www.google.com/search?q=heart+beats+per+minute+normal&ie=utf-8&oe=utf-8&aq=t&client=firefox-a&rlz=1R1GGGL_en___US357
what is the average of heartbeats per minute, day, and year?
1 answer