Wednesday, June 10, 2009

Lesson 28: Homeostasis - maintaining a constant internal environment

Hi,
This is an important part of the pure biology syllabus.

This set of slides cover the following points to remember for exams:
  • definition of homoeostasis
  • water, salt, blood sugar, body temperature, controls
  • kidney, skin involvement in homoeostasis
  • urinary system, labels, annotations
  • kidney, labels, annotations
  • nephron labels, annotations
  • nephron, in detail, how it works
  • glomerulus, convoluted tubules, loop of Henle, collecting ducts
  • kidney dialysis in detail
  • anti diuretic hormone, how it controls volume of urine and blood pressure
  • skin, labels, annotations
  • responses to temperature
  • vaso dilation, constrictions, hair erector muscles, sweat glands involvement in homoeostasis
  • quiz, short questions




Cheers

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