If you were to guess how many times your heart beats over your life, what would you guess (without looking below)?
A= 1-2 Million
B= 1-2 Billion
C= 2-3 Billion
D= 10 + Billion
E= None of the above
What do you think?
Well an everage heart beats about 70 beats per minute. The average person lives about 75 years. Based [...]