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NAME: _______________________________________
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ARTERIES |
CAPILLARIES |
VEINS |
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Directions: Match the following descriptions to one of the vessels by listing it under the appropriate vessel name. You will only use each descriptor once.
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· Have sphincter muscle to control blood flow to tissue cells |
· Operate under high pressure |
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· Have the thickest tunica media |
· Operate under low pressure |
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· Have valves to prevent backflow of blood |
· Skeletal muscles assist these vessels with blood flow. |
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· Larger lumen (inside hole of blood vessel) |
· Vessels that carry blood away from the heart |
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· Maintains blood pressure generated by the heart |
· Vessels that play a role in exchanges between tissues and blood |
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· Only one cell layer thick (tunica intima) |
· Vessels that return blood toward the heart |