Homeostasis
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What is Homeostasis?
The process of keeping the environment inside the body constant
What does Homeostasis Maintain?
• Core body temperature • pH concentration • Concentration of glucose • Concentration of oxygen and CO2 • Blood pressure • Concentration of metabolic wastes
What is it meant by a Dynamic Equilibrium?
When there are fluctuations around a normal level
What does Positive Feedback refer to?
• Response is reinforced or intensified which results in a greater response eg child birth - oxytocin • No effect on homeostasis
What is Negative Feedback?
Negative feedback has the effect of reducing or eliminating the stimulus caused
What is the difference between Negative and Positive Feedback?
Negative feedback has the effect of reducing or eliminating the stimulus that caused where as positive feedback reinforces and intensifies the stimulus e.g. oxytocin in childbirth