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25 Cards in this Set
- Front
- Back
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Cardiovascular System |
system of vessels and organs that transports materials around the body |
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atrium |
two upper chambers of the heart |
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ventricle |
one of the two lower chambers of the heart |
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valve |
flap of tissue that prevents the backflow of blood |
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plasma |
liquid portion of the blood |
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red blood cells |
cells that deliver oxygen |
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white blood cells |
cells that defend the body against diseases |
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platelet |
cell fragment that helps clot the blood |
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artery |
blood vessels that carry oxygenated blood away from the heart and to the body |
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vein |
blood vessels that carry deoxygenated blood back to the heart |
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immune system |
body system that helps defend against disease |
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antibodies |
proteins made by white blood cells that help destroy bacteria and viruses |
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vaccine |
dead or weakened bacteria or viruses that trigger the production of antibodies |
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capillaries |
the smallest blood vessels |
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aorta |
oxygen-rich blood leaves the heart through this large artery |
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atria chambers |
part of the heart that receives blood from the body |
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arteries |
are thick, muscular blood vessels |
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are shaped like small disks and carry oxygen to other cells |
red blood cells |
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helps you stop bleeding |
platelet |
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four |
the number of chambers in the heart |
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three |
the number of functions of the cardiovascular system |
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First function |
transports blood with oxygen to the cells |
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Second Function |
carries waste from the cells |
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Third function |
defends body against diseases |
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Two ways to keep cardiovascular system healthy |
eat a balanced diet and exercise |
