11 Bio Quiz

Circulatory System

Conduction of Heart Beat



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1: (a) Upper right corner of right atrium, 2: (c) Bottom left corner of right atrium, 3: (b) Atrioventricular septa, 4: (d) Bundle of His, 5: (a) SA Node, 6: (a) SA Node, 7: (c) 70-75, 8: (b) Volume of blood pumped by heart per beat, 9: (d) 70 ml, 10: (a) 5 litre