

CRRAACK!Breaking a bone hurts!But did you know that it's the start of a battle for your body to heal itself?That ache happens because damaged nerve cells send out a cry for help.In response, red blood cells rush in to bring oxygen and nutrients.White blood cells clean up the...

CRRAACK!Breaking a bone hurts!But did you know that it's the start of a battle for your body to heal itself?That ache happens because damaged nerve cells send out a cry for help.In response, red blood cells rush in to bring oxygen and nutrients.White blood cells clean up the...
