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Heart loading

A large muscle that pumps blood through your body as long as you're alive.

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Video
    How I Repaired My Own Heart

    How I Repaired My Own Heart

    by CK-12 //basic
    An amazing video! A boiler engineer opts out of the usual aorta surgery, instead creating his own device and surgery to heal his heart.
    MEMORY METER
    This indicates how strong in your memory this concept is
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