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Ch 7 (Sec 7.4&28.4)

Miller and Levine Biology

QuestionAnswer
homeostasis relatively constant internal physical and chemical conditions that organisms maintain
tissue a group of similar cells that performs a specific function
organ a group of tissues that work together to perform a specific function
organ system a group of organs that work together to perform a specific function
receptor on or in a cell, a specific protein to whose shape fits that of a specific molecular messenger, such as a hormone
endocrine gland gland that releases its secretions (hormones) directly into the blood, which transports the secretions to other areas of the body
ectotherm an animal whose regulation of body temperature depends mostly on its relationship to sources of heat outside its body
endotherm an animal whose body temperature is regulated, at least in part, using heat generated by its body.
Created by: zhaas92577
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