2006-10-18 14:53:14 · 24 answers · asked by Anonymous in Health ➔ Other - Health
no, it's blue
2006-10-18 14:54:08 · answer #1 · answered by tallspot07 2 · 0⤊ 4⤋
No, it's not green and it is not blue. I'm a nurse, and I have drawn a lot of blood using a vacuum tube. Blood is a very dark red if it is being drawn from a vein, and bright red from an artery. The iron atom in the red blood cell gives blood a reddish look, and the color brightens when oxygen is present. You do a controlled rust act in the blood to carry oxygen to other parts of the body, and remove the carbon dioxide waste. That carbon dioxide still contains 2 atoms of oxygen, so the color still remains somewhat reddish. The veins look bluish because the blood is darker and you are viewing it through the layers of your skin. In diagrams veins are shown as blue and arterys shown red simply as a means of making the distinction between the two. It's not representative of the color of the blood inside. Everyone has red blood.
2006-10-18 15:06:28 · answer #2 · answered by The mom 7 · 2⤊ 0⤋
Take the advice of the person who told you about donating blood.
All blood is red, whether it is arterial or venial.
In humans and other hemoglobin-using creatures, oxygenated blood is bright red. This is due to oxygenated iron in the red blood cells. Deoxygenated blood is a darker shade of red, which can be seen during blood donation and when venous blood samples are taken. However, due to an optical effect caused by the way in which light penetrates through the skin, veins typically appear blue in color. This has led to a common misconception that venous blood is blue before it is exposed to air. Another reason for this misconception is that medical charts always show venous blood as blue in order to distinguish it from arterial blood which is depicted as red on the same chart.
2006-10-18 15:17:55 · answer #3 · answered by oltmprch 3 · 0⤊ 0⤋
Blood is red because of it's oxyhemoglobin. When it is carrying carbon dioxide it takes on a slightly bluish color due the transformation to caboxyhemoglobin which rapidly turns red when exposed to air (oxygen). I haven't seen any analysis of an extraterrestial's blood, but it could turn green.
2006-10-19 00:02:38 · answer #4 · answered by JOHN M 5 · 0⤊ 0⤋
Vertebrates' blood is red, as the oxygen carrier we have, hemoglobin, is red. We see our veins blue because of the way light bends through our skin. Hemocyanin turns blood blue in mollusks and the like.
2016-03-28 01:06:19 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Every time I donate blood, it's red when it goes through the tube into the pouch and it doesn't hit the air first. So I'd have to say NO!!!
2006-10-18 14:55:52 · answer #6 · answered by CdnYankee 4 · 1⤊ 1⤋
Not unless you're an alien.
Oxygenated blood from your arteries is bright red. Non-oxygenated blood from the veins is a dark red.
2006-10-18 15:02:03 · answer #7 · answered by Blue Jean 6 · 2⤊ 0⤋
No it is blue, but it isn't blue before hitting the air. It is blue before getting oxegen, which it gets in the heart. However if unoxegenated blood hits the air it will turn from blue to red.
2006-10-18 14:55:31 · answer #8 · answered by jade_frost82 3 · 0⤊ 4⤋
depends on whether the blood comes from an artery or vein. the blood coming from an an artery is dark red because it contains oxygen, the blood from the vein is blue because it lacks oxygen.
2006-10-18 15:03:03 · answer #9 · answered by Anonymous · 0⤊ 1⤋
your "blood" is actually clear. It is the presence of the haemoglobin that gives the red colour. Blue blood is deoxygenated blood whilst red blood is oxygenated.
2006-10-18 15:06:35 · answer #10 · answered by just wondering 2 · 0⤊ 1⤋
They say that it's actually blue before it hits air.
2006-10-18 14:55:08 · answer #11 · answered by Anonymous · 0⤊ 3⤋