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11 Cards in this Set
- Front
- Back
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The term "homeostasis" describes:
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the body's use of physical and chemical processes to maintain a consistent internal environment.
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Interstitial fluid
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is mostly water.
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Negative feedback loops
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rely on sensors to trigger effectors to alter an organism's internal envirornment.
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A set point
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is the target value or range for a physiological variable, to which it generally returns following perturbation.
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It is not necessarily accurate to refer to endotherms as "warm-blooded," because:
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some endotherms allow their body temperature to drop significantly during hibernation
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"Form follows function" refers to the fact that:
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Organisms' physical structures often are adaptations, shaped by natural selection, and so reflect their physiological functions.
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Which of the following is not a type of connective tissue?
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collagen
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Epithelium plays all of the following roles in organisms except:
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cushioning, lubricating, and insulating other tissue.
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Smooth muscle
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generates slow, rhythmic contractions.
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Neurons generally have all of the following components except:
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glial processes
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With the exception ____, all animals have some tissues organized into organs.
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sponges and some cnidarians
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