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15/07/2023 9:37 pm
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A concentration gradient is established for CO2 during exchange of gases
(A) from tissues to blood and alveoli to blood.
(B) from alveoli to blood and blood to tissue.
(C) from tissue to blood and blood to alveoli.
(D) from alveoli to blood and tissues to blood.
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15/07/2023 9:40 pm
Correct Option: (C) from tissue to blood and blood to alveoli.
Explanation:
CO2 moves in body from tissue to blood to alveoli to outside.