The cardiovascular system
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Last updated 1:02 AM on 3/21/23
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13 Terms
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Arteries
Largest blood vessel that take oxygenated blood away from the heart
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Arterioles
Smaller than arteries but do the same thing
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Veins
Take blood to the heart
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Veinules
Smaller than veins but do the same thing
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Layers of a blood vessel
T. Intima: reduces friction
T. Media : muscles allow for constricting
T. Externa: protection
T. Media : muscles allow for constricting
T. Externa: protection
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Circulatory shock
Hypotension caused by heart attack probably
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Arteriosclerosis
Build up of plaque in the arteries treatments: angioplasty, stent, bypass surgery
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Functions of blood
1. Transport stuff
2. Fight off infection (WBC)
3. Maintain body ph
4. Remove waste
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55% of blood
Plasma (made up of water, nutrients, hormones and proteins)
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44% of blood
Red blood cells (erythrocytes)
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1% of blood
WBC and platelets
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Hemoglobin
Protein responsible for binding the oxygen to red blood cells (contains iron)
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Note 
Flashcards (33)