Deoxygenated blood is actually a darker shade of crimson; This is certainly current in veins, and might be witnessed for the duration of blood donation and when venous blood samples are taken. It is because the spectrum of light absorbed by hemoglobin differs among the oxygenated and deoxygenated states.[35] https://finalfantasyviirebirthrev98652.blogars.com/35129660/the-blood-castle-mu-online-diaries