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Unformatted text preview: functions), and organism. • The 11 organ systems are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems (see figure 1.2). Characteristics of Life • The characteristics of life include organization, metabolism, responsiveness, growth, differentiation, and reproduction. Homeostasis • Homeostasis is the condition in which body functions, fluids, and other factors of the internal environment are maintained within a range of values suitable to support life. • Negative-feedback mechanisms operate to maintain homeostasis. • Positive-feedback mechanisms make deviations from normal even greater. Although a few positive-feedback mechanisms normally exist in the body, most positive-feedback mechanisms are harmful. Terminology and the Body Plan...
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.
- Fall '10