Question

how is Oxygen and Carbon dioxide transport in human being

Answer 1

the leaves of the plant transfer the oxygen and the human being transferred the carbon dioxide to the plant
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Answer 2

Hey friend,
Here is your answer...

Oxygen is given out as waste by plants in the process of photosynthesis....
And then this oxygen is conserved by humans in the process of "BREATHING"...

while breathing we inhale oxygen and excel carbon dioxide.....
Like this oxygen and carbon dioxide is transport in humans....