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Our Amazing Bodies
How well do you know the human body?
#1 About how many times in an average human's life does their heart beat?
200 million times
3 billion times
10 billion times
25 billion times
#2 It takes about __ muscles to smile and __ muscles to frown.
#3 Bone rots faster than cartilage.
#4 How long does it take for one red blood cell to circle the body?
#5 The skin on a human body secretes antibacterial fluid.
#6 If you swallow a bite of food, then stand on your head, will the food come back out of your mouth?
#7 What is the highest "sneeze speed" record ever recorded?
#8 Which gender breathes more per minute on average?
#9 The average person eats about how many pounds of food per year?
#10 How many bones does the average baby have when it's born?
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