Homeostasis and Response

Description

Biology revision mainly focused on homeostasis.
Emily Gill
Mind Map by Emily Gill, updated more than 1 year ago
Emily Gill
Created by Emily Gill almost 5 years ago
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Resource summary

Homeostasis and Response
  1. Definition
    1. Maintaining a stable Internal environment of the body as it attemps to regulate things such a temperature water leveks and others.
    2. Negative feedback Counteracts changes
      1. Receptor detects a stimulus-level is too high, the coordination center recieves and porcesses this information and then organises a response, Effector produces a response which counteracts the change and restores the optimum level- the level decreases.
        1. Receptor detects a stimulus- level is too low, the coordinator center receives and processes the information then organises a response, Effector produces a response which counteracts the change and restores the optimum level- the level increases.
        2. What are Effectors?
          1. The effector carry on producing the responce for as long as they're simulated by the coordination centre. This might causes the oppposite problem- making the level change too much (away from the idea). Luckily the receptor detects if the level becomes too different and the negative feedback response starts again.
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