Consider the following statements: 

  1. Oxygen as well as most Carbon dioxide are transported by Red Blood cells 
  2. Iron is required for transportation of Oxygen as well as Carbon Dioxide 
  3. Both Oxygen and Carbon Dioxide bind with Hemoglobin 

Which among the above statements are correct ?

[A] 1 & 2
[B] 2 & 3
[C] 1 & 3
[D] 3 only


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