Varicose veins develop mainly from the incompetent function of the

a. connective tissue lining
b. endothelium
c. lack of a pressure gradient
d. smooth muscle
e. valves


E

Anatomy & Physiology

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Which of the following is an example of simple squamous epithelial tissue?

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What force creates the intrapleural pressure between the visceral and parietal pleurae?

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