What is true about vein?
All veins carry deoxygenated blood
All veins carry oxygenated blood
They carry blood from organs towards heart
They carry blood from heart towards organs
Additional Questions
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Systole Is contraction of |
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Pacemaker of heart is |
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Wall of blood capillary is formed of |
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Pericardial fluid is secreted by |
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Pericardial space in cockroach is regularly altered by muscles |
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Pulmonary artery differs from pulmonary vein in having |
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Pulmonary artery drains deoxygenated blood from |
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Pulmonary trunk and aorta are attached by |
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Pulmonary vein carries blood |
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Pulse pressure is |
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