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Bicarbonate
70% of CO2 is converted and transported in the plasma as bicarbonate.
10% of CO2 is dissolved in plasma.
20% of CO2 binds to hemoglobin for transport.
Respiratory center
Located in medulla oblongata, establishes basic breathing pattern, neurons impulse every 4 to 5 seconds, stimulates intercostal muscles and diaphragm
Monitoring of CO2 levels
Receptors in medulla oblongata monitor CO2 levels indirectly, receptors monitor H+ ions in cerebrospinal fluid, a rise in pco2 in arterial blood will cause a rise in H+ in cerebrospinal fluid which will signal medulla oblongata to increase respiratory rate
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