No, blood is never blue. Blood is always red, even before it is exposed to oxygen. The misconception that blood is blue when deoxygenated comes from the way veins appear blue through the skin.
The hemoglobin in the blood goes red when it absorbs oxygen. Blood is not always red, if it is lacking in oxygen, it is infact blue. If you look at the veins in your arm or hand, they do not have much blood and therefore will be blue. You will never see blue blood because if you cut yourself, the blood is exposed to the air, allowing it to be oxygenated and thus turning it red.
No, blood is never blue. Blood appears blue in veins due to how light is absorbed and reflected, not because of its color. Once it comes in contact with oxygen, it appears red because of the presence of hemoglobin.
Blood only appears blue when viewed through the skin because of the way light interacts with it. Oxygen-rich blood is bright red and oxygen-poor blood is a darker red color. The blue hue seen under the skin is due to light absorption and scattering, not the actual color of the blood.
Blood is actually red due to the presence of hemoglobin, a protein that contains iron and binds with oxygen. When blood is oxygen-rich, it appears bright red, while oxygen-poor blood appears darker red. The misconception that blood is blue comes from the color of veins, which can appear blue under the skin due to how light interacts with it.
Blood in the body is blue, when exposed to air it turns red.AnswerBlood may be thought of as a possible answer; however, blood is not actually blue. See related answer below.
No. Blood is bright red when it contains oxygen and dark red when there isn't a lot of oxygen. The blue you see in veins is the vein itself.
Blue. Your blood is always blue until it is exposed to oxygen, when it reacts and turns red. Since veins aren't exposed to air/oxygen, they remain blue :)
blood is originally blue but when its exposed to oxygen it turns red
Oxygen has hit the bood. Although the true color of blood is blue, when blood is exposed to oxygen it turns red.
Blue
Blue. Blood is only red when it is exposed to oxygen
Our blood is not blue when in the body. Many people think that because they assume that we don't have oxygen,and when exposed to oxygen it turns red. This isn't true because we do have oxygen in our body. Without it inside we will be dead.
Mammals have blue blood (lack of oxygen), but when exposed to oxygen, it turns red Hope this helped! :)
red blood is oxegenated; it has oxygen in it blood blood is not oxygenated; it does not have oxygen in it Arteries have red blood in them; they go to muscles so the muscles can use the oxygen, Veins have blue blood in them; they go back to the heart to go to the lungs to get oxygen when you get cut, even in a vein, the blood is red because when the blood comes out it becomes oxygenated. Although, when an artery gets gut it is bright red, although when a vein gets cut it is dark red. JACOB PONTOW IS A BEAST ^ who the heck is he?
When blood is exposed to oxygen, it turns red. In your body, it is really blue.
Human blood has red color when oxygenated which is mainly because of red blood cells. Its color changes to purple when present in oxygen deprived circumstances. To restore the color the blood has to be placed in oxygen rich environment.
Incorrect AnswerNo, instead they all have blue blood. This is because they have a certain molecule inside the blood containing copper. Most organisms have blue blood. Humans have blue blood!AnswerActually, Squids have red blood. Octopuses have blue blood. The answer above is incorrect. But it is true that humans have blue blood that turns red when it is exposed to oxygen.