Examlex
Identify an element that cannot replace iron through a single-replacement reaction.
Myocardium
The muscular tissue of the heart wall, responsible for the contractile force to pump blood.
Epicardium
The outermost layer of the heart wall, serving as a protective layer and a part of the heart's structure.
Heartbeat
The rhythmic contraction and relaxation of the heart muscles, pumping blood throughout the body.
Myocardium
The myocardium is the thick, muscular middle layer of the heart wall, responsible for contracting and pumping blood throughout the body.
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