heart.org

VBJYB TIL that there is a difference between a heart attack and a cardiac arrest! And if you attempt to use a defibrillator on a heart attack victim, you may actually kill them!
j6KBX TODAY I LEARNED The hardest working muscle in your body is your heart—it pumps more than 2,000 gallons of blood a day and beats more than 2.5 billion times in a 70-year life span
dDM7K TIL you can in fact die of a ‘broken heart.’