Heart Activity 5.0 / 5 based on 1 rating ? BiologyTransport In AnimalsASOCR Created by: JemmaVenessCreated on: 20-05-16 16:26 What does cardiac muscle do? Controls the regular beating of the heart 1 of 5 What does an ECG do? Records the electrical activity of the heart 2 of 5 How does an ECG work? It measures a full heartbeat, of 0.8-1.6 seconds 3 of 5 Why do doctors use them? To diagnose heart problems, like too fast or too slow beat 4 of 5 What is the bundle of his? Group of muscle fibres responsible fr conducting waves of electrical activity to the purkinje fibres 5 of 5
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