0
The color comes from hemoglobin and the hemoglobin changes color depending upon what is bound to it. Oxyhemoglobin (hemoglobin with oxygen bound to it), deoxyhemoglobin (hemoglobin with no oxygen bound to it) is somewhat bluish. Arterial blood, which has been to the lungs and is on its way to the tissues, is usually fairly saturated with oxygen (anywhere from 95-100% of the hemoglobin is bound to oxygen), and so it looks bright red. Blood in the veins, coming back from the tissues, is less saturated (perhaps 60-80%), and so it appears darker. If there is enough unbound hemoglobin in the blood, it may actually take on a bluish hue, and that is why someone may appear blue if they are not getting oxygen. Carbon monoxide also binds to hemoglobin and results in an even brighter red color than when oxygen binds. Someone with carbon monoxide poisoning may have even brighter red blood and may have a bright red coloration to the lips and fingernails. It is also possible for the iron in hemoglobin to be changed from the ferrous (2+) to ferric (3+) state and the result is methemoglobin, which is a more brownish compound. There is normally a very small amount of methemoglobin circulating in the blood and this can be increased by exposure to certain chemicals (in particular, certain nitrogen compounds). Interestingly, methemoglobin is capable of binding cyanide, so the "antidote" for cyanide poisoning is a nitrogen compound that converts hemoglobin to methemoglobin, which then binds up free cyanide in the blood.
Under normal circumstances, the blood contains primarily oxyhemoglobin and deoxyhemoglobin.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What determines whether blood is bright red or a dull brick-red?
circulating blood is rather viscous substance that varies from bright scarlet to dull brick red, depending on the amount of oxygen it is carrying. hope that helps. CC Circulating blood is rather viscous substance that varies from bright scarlet to a dull brick red, depending on the amount on oxygen it is carrying. Hope that helps. CC
What color is a sheep's blood?
oxygenated blood is a bright red (in arteries), deoxygenated blood is a dull brick red (in veins).
What determines wheter blood is bright red or dull brick red?
The amount of hemoglobin in the blood tells us its colour.
What is the color of unoxygenated blood?
blood is never blue but arterial blood lacking oxygen is darker... venous blood is dark red arterial blood is bright red capillary blood is brick red
Which of these words comes first in a dictionary bright brine bring brick?
brick
What does venous bleeding look like?
Any bleeding when the blood is exposed to oxygen turns the color of the blood to bright red and is called oxygen-rich. If the blood has used up a portion of the oxygen it is carrying, called oxygen-poor blood, it turns to a darker brick-red.
What color can you mix with brick color to get tangerine orange?
Because Tangerine is such a bright color you can not really get it starting with a dull color like Brick. If you add lots of super bright pure yellow you may get a dull tangerine depending on the shade of Brick you have. It is easy to make a light or bright color dull or darker but making a dull or dark color bright is not really possible (unless you add at least 10 quarts of a lighter color to each pint of the darker color.
How many brick build the blood pYRAMID?
2500
What Type of hemorrage has blood oozing out slowly and is brick red?
Capillary
How much mass is in bricks?
It depends on how big the brick is, what it's made of, and whether or not it's hollow.
Did Rick Riordan live in a wood or brick house?
It is not widely known where Rick Riordan lives, so it is not possible to say whether he lived in a wood or brick house.
Is soma a benzodiazepine in other countries?
No, it doesn't matter what country you are in. A brick is a brick whether you are in the United States, Canada, France, or any other country in the world. Soma is not a benzo, no matter where you are in the universe.
