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Which of the following is a primary mechanism by which the body maintains homeostasis?
A
Positive feedback loops
B
Decreased blood pressure
C
Negative feedback loops
D
Increased metabolic rate
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1
Understand the concept of homeostasis: Homeostasis refers to the body's ability to maintain a stable internal environment despite changes in external conditions.
Identify the mechanisms involved in homeostasis: The body uses various mechanisms to maintain homeostasis, including feedback loops.
Differentiate between positive and negative feedback loops: Positive feedback loops amplify changes and are less common in maintaining homeostasis, while negative feedback loops counteract changes to return the body to a set point.
Recognize examples of negative feedback loops: Common examples include regulation of body temperature, blood glucose levels, and blood pressure.
Conclude why negative feedback loops are the primary mechanism: Negative feedback loops are essential for maintaining stability and balance in the body's internal environment, making them the primary mechanism for homeostasis.