NEET Biology question

By which mechanism, oxygen is transported from lungs to cells?

(A)DiffusionCorrect
(B)Facilitated diffusion
(C)Transpiration
(D)Osmosis

Answer: (A)

Solution

Oxygen moves from alveoli into blood and from blood into tissue cells purely by simple diffusion along its partial pressure gradient, without a membrane

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Question ID VK-119066