Well to be told that blood was blue was a shock to say the least but then my logic kicked in, and I argued the point. He then proceeded to go onto the Internet to prove his point. I was then presented with more clap trap on the Internet, thankfully some logical and normal people had also written on these sites.
Here is my argument:
- The heart circulates blood which is oxygenated by the lungs. Therefore to claim blood is blue until it is exposed to oxygen is incorrect.
- When blood is taken by a nurse, the equipment has to be completely air free, or else air would enter the blood vessels, with fatal consequences to the patient.
- Some people state that blood is blue as that's why our vessels I our wrist are blue. Our vessels in our wrist are blood due to pigment in the vessel. Some people have blue vessels and some have green- does that mean they have green blood? The pigment in these vessels are also linked to our ability to tan, those with green tan better than those with blue.
I know most of his information as I used to study crime scene science and I saw plenty of blood. I also did degree level biology and also went to the morgue to look study bodies.
If anyone thinks that blood is blue then please tell me why as I cant understand how in the world this is so.
Thanks all and I hope you enjoy this post.
