How do vellus hairs differ from terminal hairs?
What will be an ideal response?
Terminal hairs are thick, coarse, and pigmented. They are found on the scalp and around the eyes. Vellus hairs are thin, nonpigmented, and found all over the remainder of the body. After puberty, much of the body's vellus hairs are replaced by terminal hairs.
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________ exists when the immune system does not respond to a particular antigen
A) Immunity B) Memory C) Adaptation D) Tolerance E) Versatility
A blood clot that forms abnormally in a blood vessel is a(n)
A) thrombus. B) platelet plug. C) embolus. D) aneurysm.
Which of the following effects on a gland can be caused by a tumor?
A. Hypersecretion only B. Hyposecretion only C. Hyposecretion and hypersecretion
Neuroglia are the supporting cells for neurons.
Answer the following statement true (T) or false (F)