Your life depends on it, but how much do you really know about your heart? Test your knowledge with this heart smart quiz.
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Question 1 of 6
If you took all the blood vessels in an average child and laid them end to end, they would stretch more than 60,000 milesâ€”more than twice the distance around the earth. The average adult's vessels would go:
Once around the earth
More than twice around the earth
More than four times around the earth
An adult's blood vessels laid end-to-end would stretch about 100,000 miles, more than four times around the earth.
More than six times around the earth
Question 2 of 6
At rest, the muscles of the heart work twice as hard as:
The leg muscles of a person who's standing
The leg muscles of a person who's walking
The leg muscles of a person who's jogging
The leg muscles of a person who's sprinting
The heart muscles work twice as hard as the leg muscles of a person who's sprinting.
Question 3 of 6
In one day, the blood circulating through your body travels:
The distance across the U.S. from coast to coast
Four times the distance across the U.S. from coast to coast
Your blood travels 12,000 miles in a single day, four times the distance from coast to coast.
The distance from Maine to Florida
Ten times the distance across the U.S. from coast to coast
Question 4 of 6
The average person's heart beats about 60 to 80 times a minute. A mouse's heart beats:
At roughly the same rate
At more than 100 times per minute
At more than 500 times per minute
The heart of a mouse beats more than 500 times per minute.
At more than 800 times per minute
Question 5 of 6
Your heart exerts enough power every day to lift which object 41 feet high?
A one-ton polar bear
Your heart exerts enough power each day to lift one ton 41 feet high.
A 250-pound man
A 120-pound woman
A 20-pound barbell
Question 6 of 6
What is the ratio of the size of the heart to body of a fetus compared to that of an adult?
2 to 1
4 to 1
9 to 1
The heart of a fetus compared to its body is proportionately nine times greater than the heart of an adult compared to its body.