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20 Cards in this Set

  • Front
  • Back
the body system that consists of the heart, blood vessels, and blood; circulatory system
cardiovascular system
a hollow, muscular organ that pumps blood throughout the body
heart
each of the two upper chambers of the heart that receives blood that comes into the heart
atrium
the body system that consists of the heart, blood vessels, and blood; circulatory system
cardiovascular system
a hollow, muscular organ that pumps blood throughout the body
heart
a group of cells located in the right atrium that sends out signals that make the heart muscle contract and that regulates heartbeat rate
pacemaker
a lower chamber of the heart that pumps blood out to the lungs and body
ventricle
each of the two upper chambers of the heart that receives blood that comes into the heart
atrium
a flap of tissue in the heart or a vein that prevents blood from flowing backward
valve
a group of cells located in the right atrium that sends out signals that make the heart muscle contract and that regulates heartbeat rate
pacemaker
a blood vessel that carries blood away from the heart
artery
a lower chamber of the heart that pumps blood out to the lungs and body
ventricle
a flap of tissue in the heart or a vein that prevents blood from flowing backward
valve
a tiny blood vessel where substances are exchanged between the blood and the body cells
capillary
a blood vessel that carries blood back to the heart
vein
a blood vessel that carries blood away from the heart
artery
the largest artery in the body
aorta
a tiny blood vessel where substances are exchanged between the blood and the body cells
capillary
a blood vessel that carries blood back to the heart
vein
the largest artery in the body
aorta