Circulatory System Crossword Puzzle
QUESTIONS LIST: artery: large, thick-walled muscular vessel that carries blood away from the heart, vein: large blood vessels that carry blood toward the heart. , capillary: microscopic blood vessels with walls only one cell thick that allows for diffusion of gases and nutrients between the blood and surrounding tissues. , blood pressure: force that blood exerts on blood vessels. it rises and fall as the heart as the heart contracts and relaxes, arteriole: a small branch of an artery leading into capillaries, heart: a fist- sized organ that pumps blood throughout your body, right ventricle: one of the heart's four chambers. , left ventricle: one of the heart's four chambers. it is in the bottom left portion of the heart, aorta: the main artery that carries blood away form your heart to the rest of your body, pericardium: a thin two- layered fluid filled sac that covers the outer surface of the heart, diastole: the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood, adrenaline: normally produced both by the adrenal glands and by a small number of neurons in the medulla oblongata.