difference between internal respiration and external respiration science 8th std
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internal respiration means antarik swasan and external respiration means bahya swasan.
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Answer: Internal respiration is the gas exchange between the systemic blood and tissues.
External respiration is the gas exchange between the lungs and blood.
External respiration occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air. Internal respiration occurs in the metabolizing tissues, where oxygen diffuses out of the blood and carbon dioxide diffuses out of the cells
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