By whom and in what amount does the transport of gases occur during respiration?

  • A
    Oxygen is transported $97\%$ by RBCs and $3\%$ by plasma; CO2 is transported $20-25\%$ by RBCs, $70\%$ as bicarbonate, and $7\%$ by plasma.
  • B
    Oxygen is transported $90\%$ by RBCs and $10\%$ by plasma; CO2 is transported $30\%$ by RBCs, $60\%$ as bicarbonate, and $10\%$ by plasma.
  • C
    Oxygen is transported $95\%$ by RBCs and $5\%$ by plasma; CO2 is transported $25\%$ by RBCs, $65\%$ as bicarbonate, and $10\%$ by plasma.
  • D
    Oxygen is transported $99\%$ by RBCs and $1\%$ by plasma; CO2 is transported $15\%$ by RBCs, $75\%$ as bicarbonate, and $10\%$ by plasma.

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