Examlex
Explain as thoroughly as you can how the slave trade affected African society.
Depolarization
A reduction in the difference in electrical charge across a cell membrane, leading to activation of the cell.
ECG
Electrocardiogram, a test that measures the electrical activity of the heart to detect cardiac abnormalities.
QRS Complex
A series of waves on an electrocardiogram (ECG) representing the electrical impulses that trigger ventricular contraction during the heart's cycle.
S-T Segment
The portion of the electrocardiogram (ECG) tracing between the end of the S wave and the start of the T wave, representing the interval between ventricular depolarization and repolarization when the ventricles are electrically neutral.
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