11 Bio Quiz

Circulatory System

Structure of Heart



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1: (c) Cockroach, 2: (a), 13: (b) 2, 4: (c) Fish, 5: (d) Aves and Mammals, 6: (b) Double membrane covering of heart, 7: (a) Inter-atrial septum, 8: (c) Right auricle and right ventricle, 9: (d) Left auricle and left ventricle, 10: (d) All of these