Examlex
Karl Marx argued that human societies are made up of two important components, the infrastructure and superstructure.
ECG
Electrocardiogram: a test that records the electrical activity of the heart to show abnormal rhythms and detect heart problems.
Cardiac Muscle Cell
A specialized type of muscle cell found in the heart, responsible for contracting and generating the force that pumps blood throughout the body.
Action Potential
A temporary reversal of the electrical potential along the membrane of a nerve cell or muscle cell, allowing for the transmission of signals.
Cardiac Cycle
The complete sequence of events in the heart from the beginning of one heartbeat to the beginning of the next, including systole and diastole phases.
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