CHAPTER 15 NOTES 0.0 / 5 ? BiologyRegulatory mechanisms in AnimalsAll LevelsAll boards Created by: ALK756Created on: 08-11-15 23:26 What is homeostasis? Is the maintenance of a stable internal environment 1 of 7 What are negative feedback loops? Response mechanisms that reduce the effect of the original stimulus 2 of 7 What are the 5 steps of the response system? 1. Stimulus. 2. Receptors detect change. 3. Control Centre. 4. Effector. 5. Response which restores original state. 3 of 7 What are the two main groups of hormones? Those synthesised from fatty acids: small and lipid soluble. 2. Those synthesised from amino acids: water soluble. 4 of 7 What are the 5 special organs? The eyes, ears, nose, tongue and skin. 5 of 7 What types of receptors are there? Photoreceptors, chemoreceptors and mechanoreceptors. 6 of 7 What does a nerve consist of? Dendrites, cell body, axon, myelin and node. 7 of 7
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