BiologyCLASS 11CBSE
answered 2 Jun 2026What are the components of an ECG and their significance?
A.VERIFIED ANSWERfact-checked by tutors
P wave (atrial depolarization), QRS complex (ventricular depolarization), T wave (ventricular repolarization), PR interval, QRS duration, ST segment, and QT interval; used to assess heart function.