BIOS 251 Exam 1 Preparation Questions with Answers
The study of human structure - ANS: Anatomy The study of human function - ANS: Physiology A tendency for organisms to maintain a balanced or constant internal state - ANS: Homeostasis A state of balance - ANS: Equilibrium Consequences of homeostatic imbalance - ANS: Illness or death Thermoregulation Process - ANS: A feedback loop in which a system responds to a change by reversing that change, or by decreasing the rate at which the change is occurring. (Ex. thermoregulation) - ANS: Negative Feedback Loop A feedback loop in which a system responds to a change by amplifying that change. (Ex. childbirth) - ANS: Positive Feedback Loop Changes, occurring within or outside the body, that affect homeostasis - ANS: Stimuli Detects and sends messages to the control center - ANS: Receptors Processes the signal, alerts the effector about the detected change, and gives instructions - ANS: Control Center
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