Saturday, April 17, 2010

Internal Structure of lung

A longitudinal section of the kidney shows three distinct regions: Renal Cortex Renal Medulla Renal Pelvis A longitudinal section of the kidney showing three distinct regi..
Structure
>Each alveolar duct opens into an alveolar sac. Alveolar sac is the extended region into which a group of alveoli or air sacs open. Each alveolus is a sac-like structure lined by a single layer of epithelial cells. It is bound on the outside by a network of capillaries. All the alveoli on..
Rat's Internal Systemsdetailed structure of rat respiratory system Respiratory system - Lungs are the respiratory organs. The passage way for air is formed by external nostrils, pharynx, larynx, trachea and bronchi. Lungs contain large number of minute alveoli in which external respiration takes place. Surounding the lungs and the he..

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