POP QUIZ:
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How much blood does the heart pump through the body
every day?
See answer, S3
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POP QUIZ ANSWER:
The heart, about the size of a fist, pumps about 2,000 gallons of blood through the body daily.
(Question on S1.)
How much blood does the heart pump through the body
every day?
See answer, S3
*
POP QUIZ ANSWER:
The heart, about the size of a fist, pumps about 2,000 gallons of blood through the body daily.
(Question on S1.)