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13 Cards in this Set

  • Front
  • Back
pericardium
a protective sac
arteries
vessels that carry blood away from the heart
septum
seperates right and left sides of the heart
bicuspid valve
between the left atrium and the left ventricle. When it opens, blood leaving the left atrium flows into the left ventricle. When it closes, it prevents the blood from flowing back to the left atrium.
capillaries
the smallest blood vessels in the body
ventricles
the lower chambers of the heart
atria
the upper chambers of the heart
Blood entering the right atrium of the heart (low in oxygen or high in oxygen)
Blood entering the right atrium of the heart is low in oxygen.
Oxygenated blood returns to the heart through which chamber?
the left atrium
pulmonary artery
large artery that sends deoxygenated blood the lungs from the right ventricle. the only artery in the body that carries deoxygenated blood
aorta
largest artery in your body, pumps oxygen-rich blood. Oxygenated blood leaves the left ventricle through it.
pulmonary veins
two small veins that bring oxygen-rich blood from the lungs to the left atrium.
pacemaker
small bundle of cells in the right atrium that controls the rate of the heart beat