The renal system control [HCO₃⁻] and [H⁺], while the respiratory system controls the CO₂ release. Option 5. the respiratory system expels CO₂ produced by the buffer system.
<h3>How the bicarbonate buffer system works?</h3>
Bicarbonate buffer is a significant key in regulating the organism's blood pH.
Bicarbonate is the conjugate base of carbonic acid.
H⁺ + HCO₃⁻ ⇒ [H₂CO₃]
The carbonic acid is converted into CO₂ and water by carbonic anhidrase
[H₂CO₃] ⇔ CO₂ + H₂O
The lungs and the kidneys are responsible for the pH control in corporal fluids.
- Water is absorbed by the system, while the respiratory system releases CO₂, which is neurologically controlled.
- Physiological mechanisms at a renal level control the concentration of [HCO₃⁻] and [H⁺].
Consequently, the blood pH control depends on the relative proportion of added HCO₃⁻ by the kidneys and CO₂ eliminated by the lungs.
H₂CO₃ would have a low buffering capacity in the body if it could not dehydrate to CO₂, a gas expelled from the body with expired air.
The correct option is 5. The bicarbonate buffer system would not work very well in the human body if not for the action of the respiratory system, which expels CO₂ produced by the buffer system.
You can learn more about bicarbonate buffer system at
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The bicarbonate buffer system would not work very well in the human body if not for the action of the respiratory system, which ___________.
- supplies the buffer system with CO2.
- supplies the buffer system with O2.
- expels HCO3- produced by the buffer system.
- expels H+ produced by the buffer system.
- expels CO2 produced by the buffer system.
