what blood is red?
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Is Deoxygenated Human Blood Blue? Why Blood Is Red. Human blood is red because it contains a large number of red blood cells, which contain hemoglobin. Hemoglobin is a red-colored, iron-containing protein that functions in oxygen transport by reversibly binding to oxygen. Oxygenated hemoglobin and blood are bright red; deoxygenated hemoglobin and blood are dark red.
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What colour is blood without oxygen? 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.
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Why does the bonding of iron and oxygen produce red color that is the hemoglobin? Within the red blood cells there is a protein called hemoglobin. Each hemoglobin protein is made up subunits called hemes, which are what give blood its red color. More specifically, the hemes can bind iron molecules, and these iron molecules bind oxygen.
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- Bright red blood usually means bleeding from low in the colon or rectum. Dark red blood usually means bleeding higher up in the colon or small bowel and black tarry stools (melena) is seen with bleeding from the stomach (ulcers, for example).
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What color is blood inside the body? No your blood is not red until it hits oxygen, that is why your veins are not red. The above answer is incorrect. All blood is red but blood with oxygen is brighter red and … blood lower in oxygen is darker red. All veins do not carry blood low in oxygen.
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red blood cell Medical Definition of RED BLOOD CELL. : any of the hemoglobin-containing cells that carry oxygen to the tissues and are responsible for the red color of vertebrate blood—called also erythrocyte, red blood corpuscle, red cell, red corpuscle; compare white blood cell. any of the hemoglobin-containing cells that carry oxygen to the tissues and are responsible for the red color of vertebrate blood —called also erythrocyte, red blood corpuscle, red cell, red corpuscle. See red blood cell defined for English-language learners. See red blood cell defined for kids.
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Is blood blue or red? There is no blue blood, only red blood. Deoxygenated blood is dark red and oxygenated blood is bright red. Deoxygenated blood (dark red) picks up oxygen at the lungs in the …alveoli. The high concentration of oxygen in the lung cavities diffuse into the low concentration of oxygen in the blood.
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Anatomy of the Integumentary System Hemoglobin is the red pigment, or color  of blood, and contains iron, combined with protein.   When blood passes through the lungs, oxygen joins the hemoglobin of  the red cells. From there, the red cells carry the oxygen through  the arteries and the capillaries to all other cells of the body.
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If blood is red, why do veins look blue? How red it is varies. After your blood is pumped to your lungs by your heart, it's bright red because hemoglobin -- the iron-containing, oxygen-transporting protein in our red blood cells -- binds to the oxygen the blood just picked up.
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If blood is red, why do veins look blue? Blood is always red. Veins look blue because light penetrates the skin to illuminate them, blue and red light (being of different wavelengths) penetrate with different degrees of success. What gets reflected back to our eyes is the blue light.
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- Your blood is actually always red! Blood in your veins has very little oxygen and is a dark red color that looks almost blue when covered by your skin. Your arteries have bright red blood because it has a lot of oxygen in it that is being carried throughout your body to be used by tissues.
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If blood is red why do your veins look blue? So, your veins may look blue, but even a blueblood will bleed red. — SDStaff Hawk, Straight Dope Science Advisory Board. Staff Reports are written by the Straight Dope Science Advisory Board, Cecil's online auxiliary.
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If blood is red, why do veins look blue? Blood is always red, actually. Veins look blue because light has to penetrate the skin to illuminate them, blue and red light (being of different wavelengths) penetrate with different degrees of success. What makes it back to your eye is the blue light. Meanwhile, here's what happens to the blood in your body:
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What is the correct name for red blood cells? Medical Definition of Red blood cells. Red blood cells: The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them to transport oxygen (and carbon dioxide). Hemoglobin, aside from being a transport molecule, is a pigment. It gives the cells their red color (and their name).
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Comments: RBC vs WBC RBCs contain an iron-rich protein called hemoglobin (pronounced: HEE-muh-glow-bun). Blood gets its bright red color when the hemoglobin in RBCs picks up oxygen in the lungs. As the blood travels through the body, the hemoglobin releases oxygen to the tissues.
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No, not all blood is colored red No, not all blood is colored red. Believe it or not, not all blood is red. The life-giving fluid actually comes in five different colors, depending on what animal you're talking about. The different colors reflect different chemicals in special proteins in the blood called plasma proteins that carry essential nutrients throughout the body. But interestingly, some of these animals don't reveal their true colors until you cut them open.
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If blood is red, why do veins look blue? View full size image. Blood is always red, actually. Veins look blue because light has to penetrate the skin to illuminate them, blue and red light (being of different wavelengths) penetrate with different degrees of success. What makes it back to your eye is the blue light. Meanwhile, here's what happens to the blood in your body:
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The Chemistry of The Colours of Blood However, red is not the only blood colour available – it also comes in blue, green, violet, and even colourless varieties – and this is a result of the specific chemicals that make up blood in different organisms.
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- Human blood is red, ranging from bright red when oxygenated to dark red when not. It owes its color to hemoglobin, to which oxygen binds. Deoxygenated blood is darker due to the difference in color between deoxyhemoglobin and oxyhemoglobin. There exists a popular misconception that deoxygenated blood is blue and that blood only becomes red when it comes into contact with oxygen.
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What color is blood -- inside your body ? ? Deoxygenated blood is still dark blue, regardless of what color the blood vessels are. The carbon dioxide and other wastes that the cells turn the cells this color. Oxygentated blood essentially is Oxygen attracted to the Iron atom in the center of hemoglobin. Essentially, rust is what makes your blood cells red!!
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Is blood ever blue and why does it appear blue in veins near the skin? Human blood is red because of the iron in the haemoglobin. This gives red blood cells their red colour. Veinous blood is much darker than arterial blood, and your teacher is right that oxygenated (arterial) blood is 'redder' than deoxygenated (veinous) blood. However, human blood is not blue.
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- Quick Answer. Blood serum is yellow. The red color of human blood comes from hemochrome, a pigment that transports oxygen throughout the bloodstream. Blood's liquid nature, however, comes from the serum. According to About.com's Regina Bailey, plasma makes up 55 percent of human blood by volume.
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- Answers.com® is making the world better one answer at a time. red because its the color of blood he shed from the cross.
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- Red blood cells are important for the transport of oxygen-rich blood to body tissues and removal of carbon dioxide from the body. Red blood cells are red because they contain an iron-rich protein known as hemoglobin, which is bright red in color.
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Is deoxygenated blood blue? Venous (deoxygenated) blood is dark red. From The Franklin Institute : Because it lacks oxygen, the waste-rich blood that flows through the veins has a deep red color, almost like maroon. Because the walls of the veins are rather thin, the waste-rich blood is visible through the skin on some parts of the body.
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If Blood Is Red, Why Do Veins Look Blue? (Remember, when you get blood drawn at your doctor's office, they use a vacutainer, which is essentially a vacuum in a tube.A â the tube is attached to the needle in your, arm exposing the inside of the vein to the vacuum and drawing the blood.). Out how red it is. varies