Transport in Animals 2.5 / 5 based on 2 ratings ? BiologyBiological molecules, organic chemistry and biochemistryASOCR Created by: JadeCreated on: 15-01-13 17:44 Cardiac muscle is... Myogenic 1 of 7 Myogenic: automatically contracts and relaxes 2 of 7 The cardiac cycle is initiated by a small patch in the Right atrium: Sino-atrial node (SAN) 3 of 7 Another word for SAN: 'The Pacemaker' 4 of 7 The wave spreads from the SAN to its only route through a small patch of conducting fibres: atrio-ventricular node or AVN 5 of 7 the excitation spreads across the atria, after a delay of about? 0.1 seconds 6 of 7 Then passing onto a bunch of conducting fibres called? running down the? Purkyne tissue. Septum. 7 of 7
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