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11 Cards in this Set
- Front
- Back
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Arteries
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called large blood vessels. These strong, thick-walled vessels are elastic and durable.
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Capillaries
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are microscopic blood vessels where the exchange of important substances and wastes occurs.
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Veins
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carry oxygen-poor blood, or deoxygenated blood, back to the heart.
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Valves
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Large veins that have flaps of tissue called this. they prevent blood from flowing backwards.
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Heart
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is a muscle organ that is about as large as your fist and is located at the center of your chest.
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Pacemaker
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or sinoatrial node, send out signals that tell the heart muscles to contract.
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Plasma
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clear, yellowish fluid portion of blood.
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Red Blood Cells
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carry oxygen to all of the body's cells.
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Platelets
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are cell fragments that play an important part in forming blood clots.
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White Blood Cells
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the body's disease fighters, these cells are produced in bone marrow.
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Atheroclerosis
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the condition of blocked arteries.
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