Outline the transport of oxygen within circulation

CO2 in its dissolved state (5-10%) – CO2is 20 times as soluble as O2 Transported as a bicarbonate ion (HCO3-) [70%] – CO2+H20 àCarbonic Acid (H2CO3) àH++ HCO3- As Carbaminohaemoglobin (CO2Hb) [20-25%] – in combination with haemoglobin