The function of structure E is
A) to attach the hair shaft firmly to the dermis so that it does not move.
B) the deposition of high concentrations of melanin to color the hair shaft.
C) the production of new cells that will make the hair shaft longer.
D) the production of hormones that can affect the growth cycles of the hair follicle.
E) to change the orientation of the hair shaft.
E) to change the orientation of the hair shaft.
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Which of the following is associated with veins but not arteries?
A. A tunica media with abundant smooth muscle B. Continuous endothelium C. A tunica media with abundant elastic fibers D. Valves E. Fenestrations
Which of the following is an autoimmune disease of the thyroid gland?
A) Graves disease B) SLE C) scleroderma D) rheumatoid arthritis
Which type of rib lacks an attachment to the sternum?
A) floating ribs B) true ribs C) false ribs D) cervical ribs E) thoracic ribs
The study of the function of the body and its parts is called
-anatomy -endocrinology -physiology -cytology