1) Where does blood enter the heart from the body? a) right atrium b) right ventricle c) left atrium d) left ventricle 2) Where does blood enter the heart from the lungs? a) right atrium b) right ventricle c) left atrium d) left ventricle 3) Where does blood leave the heart to go to the lungs? a) right atrium b) right ventricle c) left atrium d) left ventricle 4) Where does blood leave the heart to go to the body? a) right atrium b) right ventricle c) left atrium d) left ventricle 5) What vessels always go AWAY from the heart? a) arteries b) veins c) capillaries 6) What vessels always go toward from the heart? a) arteries b) veins c) capillaries 7) Where are nutrients/wastes, oxygen/carbon dioxide exchanged? a) arteries b) veins c) capillaries 8) What BIG vessels carry oxygenated blood out to the body? a) aorta b) vena cava (veins) 9) What BIG vessels carry DE-oxygenated blood to the heart from the body? a) aorta b) vena cava (veins) 10) What vessels carry blood toward and away from the lungs? a) pulmonary arteries & veins b) aorta c) vena cava (veins)

Blood flow

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