Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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In humans, skin is the primary organ involved in protection of the body against the outside harsh environment. It serves as the first line of defense against various adverse external threats. The skin acts as a shield by preventing the entry of pathogens into the body and protecting the body from harmful radiations and chemicals. This organ is also responsible for regulating homeostasis by maintaining a constant internal environment despite varying external conditions. It is a highly sensitive organ and is also involved in immediate interception of sensations such as heat, cold, pain and touch.
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