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Aveoli are part of your respitory system and are located in your lungs, and their function is to give Carbon Dioxide to your lungs (for you to exhale) and take Oxygen from your lungs (to give to the capillaries-your blood). So, the aveoli's, in a sense, filter your bloods oxygen.

Nephrons are part of the excretory system and are located in your kidneys. Their function is to filter your blood by taking out excess salts and waste. So, the nephrons also filter out your blood, but instead of filtering the gasses in your blood, the nephrons filter out the metabolic wastes.

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14y ago

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