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Question
Exchange of oxygen and carbon dioxide between the atmosphere is
Exchange of oxygen and carbon dioxide between the atmosphere is
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Solution
The correct option is D Both A and B
External respiration is basically the transfer of oxygen and carbon dioxide between respiratory organs such as lungs and the outer environment. External respiration also known as breathing refers to a process of inhaling oxygen from the air into the lungs and expelling carbon dioxide from the lungs to the air. Ventilation is the process of the movement of air into and out of the lungs. Ventilation facilitates respiration. Thus, the correct answer is option D.
External respiration is basically the transfer of oxygen and carbon dioxide between respiratory organs such as lungs and the outer environment. External respiration also known as breathing refers to a process of inhaling oxygen from the air into the lungs and expelling carbon dioxide from the lungs to the air. Ventilation is the process of the movement of air into and out of the lungs. Ventilation facilitates respiration.
Thus, the correct answer is option D.
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