1) (1) Which of the following functions is performed by “ fibrin” a) blood clotting b) fight diseases c) carrying oxygen d) carrying wastes 2) which of the following blood components indicate the occurrence of bacterial infections a) Red blood cells b) Plasma c) White blood cells d) Platelets 3) which of the following blood components carry oxygen to our body cells a) Plasma b) Red blood cells c) White blood cells d) Platlets 4) A child suffers from a deficiency of hemoglobin, so what does this deficiency affect? a) carrying oxygen b) Secrete enzymes c) muscle contraction d) carrying wastes 5) Which of the following has an exchange of oxygen and carbon dioxide? a) Veins b) Arteries c) Platelets d) Blood capillaries 6) Thick and elastic vessels a) Plasma b) Arteries c) Blood vessels d) Veins 7) Which part of the heart receives oxygenated blood? a) left atrium b) left ventricle c) right atrium d) right ventricle  8) Where is the blood pumped from the heart? a) Pulmonary vein b) Pulmonary artery c) Aorta d) Valve

Circulatory system

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