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Compare the structure and mechanism of alveoli in the lung and nephron in the kidney.
The tiny air sacs present in the lungs that allow the quick exchange of gases are alveoli.
The glomerulus (kidney) and tubules ("kidney tubules) through which glomerular filtrate passes are present in nephrons.
Alveoli | Nephron |
---|---|
Sac-like structure for quick exchange of gases |
The glomerulus (kidney) and tubules ("kidney tubules) through which glomerular filtrate passes are present in nephrons. |
Present in Lungs | Present in Kidneys |
Located in the respiratory system. | Located in the excretory system. |
Sac-like structure | Tuboler structure |
Around 480 million alveoli are found in each lung |
Around 1.5 million alveoli are found in kidneys |
Blood supply by pulmonary arterioles | Blood supply by afferent arterioles |
Blood supplied to pulmonary veins | Blood supplied to renal veins |
Simplify gaseous exchange | Simplify filtration of blood to produce urine. |
Includes simple squamous epithelium | Includes simple cuboidal epithelium with microvilli |
Alveoli Diagram
Diagram of Nephron
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