Examlex
Why is fluoride an important part of an infant’s diet, and what are the current recommendations regarding need for supplementation?
Pacemaker Cells
Specialized heart cells that generate and regulate the heart's rhythm.
Afterload
The force the heart must overcome to pump blood during the contraction phase.
Preload
Preload refers to the degree of stretch of the cardiac ventricles at the end of diastole, just before contraction.
Contractility
The capability of muscle tissue to contract or shorten, enabling movement and force generation.
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