Homeostasis & Excretion 2.0 / 5 based on 1 rating ? BiologyHomeostasisIGCSEEdexcel Created by: Daniel GrayCreated on: 07-04-13 11:25 What is homeostasis? The controlling of an organisms internal environment 1 of 8 What is osmoregulation? The balancing of water content in the blood 2 of 8 What is thermoregulation? The control of heat produced in the body 3 of 8 What is the nephron? A tubular structure used to reabsorb neccesaties back into the blood stream 4 of 8 What are the parts of the nephron? Glomerolous, Bowman's Capsuale, 1st coiled tube, loop of henle, 2nd coiled tube and the collecting duct 5 of 8 What is the function of the glomerolous? To filter smaller molecules though into the nephron for reabsorbtion (the larger molecules are collected in the glomeroulous) 6 of 8 What is vasodilation? The dilation of blood vessels, decreases blood pressure (expansion) 7 of 8 What is vasoconstriction? The constriction of blood vessels, and increase in blood pressure (contraction) 8 of 8
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