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Shivering when the body temperature falls, Secreting insulin to decrease blood sugar concentration, increasing heart rate when blood pressure is low
🌡️Shivering is an involuntary thermoregulatory mechanism that produces heat through muscle activity to counteract falling body temperature.
💉Insulin is secreted by the pancreas in response to rising blood glucose, representing a negative feedback loop to restore glucose homeostasis.
❤️Increased heart rate in response to low blood pressure helps maintain cardiac output and tissue perfusion, a critical homeostatic cardiovascular response.
🔁All these actions involve automatic physiological adjustments aiming to return internal conditions to a set point, illustrating the essence of homeostasis.
📌Core Message
Homeostatic mechanisms operate via negative feedback to stabilize vital functions like temperature, blood pressure, and glucose, ensuring the internal environment remains consistent despite external changes.
This question is from SCIENCE 2023 Exam-1 which contains 49 questions.
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