gas exchange

ways of transporting O2

there are two ways of transporting oxygen

1. 97% attaches to haemoglobin to form oxyhaemoglobin

2. 3% travels in the blood plasma

ways of transporting Co2

carbonminoxide = 3%

carbonic acid = 70%

blood plasma = 7%

partial pressure of oxygen an carbon dioxide at rest

Partial pressure of oxygen and carbon dioxide during exercise

External and internal respiration