Human respiratory system - alveoli, Biology


  1. Sac like structure, unit of lungs. Increase surface area, exchange of gases occur in it.
  2. Rich in blood capillaries. Aloeoli join by pore of Kuhn to form alveolar duct.
  3. It's wall is made up of squamous epithelium.
Posted Date: 10/1/2012 8:53:28 AM | Location : United States

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