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Homeostasis:
The body’s efforts to maintain a stable internal environment.
Ectotherms
cold-blooded organisms that s rely on external heat sources to regulate their body temperature.
Endotherms
warm-blooded organisms that generate their own heat.
Negative Feedback:
Processes that counteract changes (e.g., temperature regulation, blood sugar control, vasoconstriction/dilation)
Negative Feedback Example
The role of insulin and glucagon in maintaining glucose levels through negative feedback.
Homeostasis Importance
It includes regulating temperature, pH levels, and nutrient concentrations. Without homeostasis, cells would not function optimally, leading to potential health issues.
Positive Feedback:
Processes that amplify changes (e.g., uterine contractions during childbirth, ripening of fruit)
Positive Feedback Example:
Childbirth as a scenario where the body amplifies a process to achieve a goal.
Type 1 Diabetes:
A condition illustrating the consequences of a malfunctioning feedback system.
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