Farbfoto
An image of a wrist The blue is caused by the lack of oxygen binding to haemoglobin
CC BY-ARBAY SA 3.0
http://creativecommons.org/licenses/by-sa/3.0/deed.en
Farbfoto
An image of a wrist The blue is caused by the lack of oxygen binding to haemoglobin
CC BY-ARBAY SA 3.0
http://creativecommons.org/licenses/by-sa/3.0/deed.en