Which of the following statements concerning blood vessel walls is true?
A. The tunica intima is the innermost layer of a blood vessel wall.
B. The tunica media is found in all blood vessels except veins.
C. The tunica adventitia is composed of smooth muscle and endothelium.
D. Capillaries have both a tunica intima and a tunica media.
E. Vessel diameter is controlled primarily by the tunica intima.
A
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A. Sphenoid B. Temporal C. Occipital D. Mandible E. 1st cervical vertebra
The ____________ artery is relatively short, and divides into two major arteries. The __________________ artery supplies the anterior wall of both ventricles. The __________ artery supplies the walls of the left atrium and ventricle.
Fill in the blank(s) with the appropriate word(s).
Muscles that raise a part of the body are called ____
a. levators b. flexors c. rotators d. depressors
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