What colour is blood before it comes out?

Answer 1

Your blood is always and always will be red, the reason why people think its blue is because veins themselves look blue through the skin. This is due to the fat under the skin absorbing low energy light and only reflecting less energetic, blue light. i went to medical school and had to dissect a human in the blood vacum tube it was red it has iron and RED blood cells inside it and hemoglobin is another reason why its red don't listen to anyone who tells you its not red

Answer 2

soon as blood is in contact with air the blood becomes red because it gets lots of oxygen, but while in the body the blood is blue.

Answer 3

Human blood is blue before it hits air because once its exposed to air, the molecules or something turn red as soon as it hits air.

Answer 4

Arterial blood is a bright red due to its high oxygen content, venous blood is a darker red as the oxygen content is lower. It's not blue, it just appears that way.

Answer 5

the color of your blood before it comes out of your veins is blue