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Chap13 Circulatory System

1.         Chap No.12 Circulatory System   2.         Human heart is surrounded by a tough membrane known as: (a) Miringes                  (b) Peritoneum (c) Pericardium                         (d) Mesentery C 3.         There are two types of circulatory fluids the blood and: (a) Coelomic                 (b) Lymph (c) Water                       (d) Water and Coelomic B 4.         Human ventricle is equipped with an outlet value known as: (a) Mitral Valve           (b) Tricuspid valve (c) Bicuspid Valve       (d) Semilunar valve D 5.         The right atrium open into the right ventricle by an opening known as: (a) Mitral Valve           (b) Tricuspid Valve (c) Semilunar Valve     (d) Guard Valve B 6.         Contraction of heart chambers is called: (a) Beating