Blood contains some dissolved salts, which lower the freezing point.
freeze it
Blood does not automatically freeze when it leaves the body. It depends on the ambient temperature.
Once oxygenated blood reaches the capillaries, the velocity of the blood is very slow - which favours the exchange of oxygen. Oxygen therefore diffuses across the walls of the capillaries into the tissues that need it.
the kidneys clean it by removing the waste from the blood
yes
By veins
a red blood cell is red when it reaches oxegen.
Arctic fish don't not have anit-freeze in their blood; it is simply a rumor people used to think back in the 1800's.
Blood flows through veins after delivering oxygen to the body.
Arteries or arterioles
It travels through the blood to the pancreas.
99%