http://news.bbc.co.uk/1/hi/6273202.stm http://news.bbc.co.uk/1/hi/6273202.stm Larger lung capacity, larger heart, lower lactic acid levels, higher Vo2 max. Al

http://news.bbc.co.uk/1/hi/6273202.stm http://news.bbc.co.uk/1/hi/6273202.stm Larger lung capacity, larger heart, lower lactic acid levels, higher Vo2 max. Also: "Spaniard Miguel Indurain, who took five successive [Tour de France] titles, had lungs so big they displaced his stomach, leading to his trademark paunch. Indurain's lung capacity was eight litres, compared to an average of six litres."