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Red blood cell

en.wikipedia.org/wiki/Red_blood_cell

Red blood cells (RBCs), also called erythrocytes, are the most common type of blood cell and .... shear stress in constricted vessels, they release ATP, which causes the vessel walls to relax and di...

If Blood Is Red, Why Do Veins Look Blue? | Mental Floss

mentalfloss.com/article/24249/if-blood-red-why-do-veins-look-blue

Mar 19, 2010 ... After your blood is pumped to your lungs by your heart, it's bright red ... But the blue light's inability to penetrate as deeply as red light makes the ...

Why is blood red in colour? - Quora

www.quora.com/Why-is-blood-red-in-colour

Blood is red because it is made up of cells that are red, which are called red blood cells. But, to ... Blood in carbon monoxide poisoning is bright red, because carbon monoxide causes the formation of carboxyhemoglobin. In cyanidepoisoning ...

Previous - Iron Makes Our blood red - Making the Chemical ...

www.chemicalconnection.org.uk/chemistry/topics/view.php?topic=2&headingno=5

Iron Makes Our blood red. In our red blood cells, we have a protein called haemoglobin. Each haemoglobin protein contains 4 iron atoms that bind to oxygen.

What makes blood red? | Yahoo Answers

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Jul 1, 2013 ... I've read that the iron in hemoglobin makes mammalian blood look red, but I don't understand how. Pure iron is a silvery grey color, isn't it?

What makes blood red? | Reference.com

www.reference.com/science/blood-red-296fb8cb15832643

Another way of explaining why humans have red blood is that the color is due to hemoglobin, which is the protein associated with iron that makes blood...

www.ask.com/youtube?q=What Makes Blood Red?&v=MHhHJq9C8MI
Feb 14, 2015 ... Blood is made of red blood cells.The red col... ... Interesting Facts For kids | Blood Color ... And of course, iron is what makes haemoglobin red!.

If Blood Is Red, Why Are Veins Blue? - Live Science

www.livescience.com/32212-if-blood-is-red-why-are-veins-blue.html

Oct 16, 2012 ... Blood is always red, and veins look blue because the skin filters light wavelengths differently. ... What makes it back to your eye is the blue light.

If Blood Is Red, Why Are Veins Blue? | Wonderopolis

wonderopolis.org/wonder/if-blood-is-red-why-are-veins-blue

Mar 6, 2012 ... The oxygen-depleted blood that veins carry also tends to absorb red light more than blue light. When the dark red blood absorbs more red light, ...

What Are Red Blood Cells? - Health Encyclopedia - University of ...

www.urmc.rochester.edu/Encyclopedia/Content.aspx?ContentTypeID=160&ContentID=34

Hemoglobin is the protein inside red blood cells that carries oxygen. ... Among the causes of iron deficiency are a diet low in iron, a sudden loss of blood, ...

Answer
Blood is red because it contains red blood cells.
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Why Is Blood Red? - Science Questions, from the Naked Scientists

www.thenakedscientists.com

Oct 1, 2006 ... The reason blood is red is because it's got iron in it. If you look down a microscope at blood, what you'll see are thousands of tiny little red cells ...

Why is blood red? - UCSB Science Line - University of California ...

scienceline.ucsb.edu

Blood is red because it is made up of cells that are red, which are called red blood cells. But, to understand why these cells are red you have to study them on a ...

Why is blood red? | How It Works Magazine

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Mar 5, 2013 ... What gives blood its distinctive hue? ... Haemoglobin is crammed into our red blood cells, making them red too. ... What makes Velcro stick?