The (5) It is a muscular, hollow organ called the (6) .It weighs less than 1 pound and is about the size of a closed fist. It contracts about 100,000 times each day, 24/7.
heartpump
5. What organ is being described?
The organ being described is the heart.
6. What is the name of the organ?
The name of the organ is the heart.
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