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Select all that applyWhat are functions of the endothelium lining a blood vessel?Multiple select question.constricts or dilates to control blood flowprovides a smooth surface for blood flowprevents inappropriate blood clottingsecretes substances that stimulate vessel dilation or constrictionprovides blood vessel elasticity

Question

Select all that applyWhat are functions of the endothelium lining a blood vessel?Multiple select question.constricts or dilates to control blood flowprovides a smooth surface for blood flowprevents inappropriate blood clottingsecretes substances that stimulate vessel dilation or constrictionprovides blood vessel elasticity

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Solution

The functions of the endothelium lining a blood vessel include:

  1. It constricts or dilates to control blood flow.
  2. It provides a smooth surface for blood flow.
  3. It prevents inappropriate blood clotting.
  4. It secretes substances that stimulate vessel dilation or constriction.

However, providing blood vessel elasticity is not a function of the endothelium. This is primarily a function of the middle layer of the blood vessel, the tunica media, which contains elastic fibers.

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