Examlex
Which of the following statements is incorrect about the MMR vaccine?
Veins
Blood vessels that carry deoxygenated blood towards the heart from the body's tissues.
Tunica Media
The middle layer of the wall of blood vessels, made up of smooth muscle cells and elastic fibers.
Tunica Externa
The outermost layer of a blood vessel, composed of connective tissue, which provides structural support and flexibility.
One-Way Valves
Valves, particularly found in the veins and heart, that allow blood to flow in one direction and prevent backflow.
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