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Ch.1 Homeostasis

Stanfield Intro

QuestionAnswer
When you touch a piece of cold metal, thermal energy travels into the metal from your skin. This is known as ______________. Conduction
Example of positive feedback Blood clotting; Contractions of the uterus push the fetus against the cervix, which triggers release of oxytocin into the bloodstream--oxytocin stimulates stronger contractions of the uterus
When the temperature of the body's surroundings is higher than that of the body itself, the body loses heat through: Evaporation
The body's internal environment is synonymous with Extracellular Fluid
Maintenance of constant conditions in the internal environment is known as Homeostasis
Plasma is extracellular fluid. T/F True
A thermoreceptor is an example of a sensor or effector? Sensor
In homeostasis, all physiological variables are regulated to stay constant. T/F False
In hypothermia, the body temperature is above or below the set point? Below
Sweating accounts for 100% of the body's evaporative heat loss. T/F False
A decrease in blood flow to the skin tends to raise or lower the body temperature. raise
The protein elastin is found in epithelial or connective tissue. Connective
Plasma and interstitial fluid are identical in composition. T/F False
Created by: n2biology
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