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They aren't; they are white.

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16y ago

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Related Questions

Are there three types of blood cells - red blood cells and white blood cells and blue blood cells?

No. There are no blue blood cells. There are only white blood cells (lymphocytes) and red blood cells(erythrocytes).


Are there only red white and blue blood cells in a persons body?

Yes, except for the blue. It's a human, not the flag.


Do you have blue blood cells?

No, only red and white.


Does blood contain red blood cells and blue blood cells?

In relation to the human body, it is a common misconception that blood is blue; all blood is red. The blue appearance is due to the connective tissues of the blood vessels. Blood cells can be either erythrocytes, which are red, or leukocytes, which are white. When blood is oxygenated it is a much brighter red than de-oxygenated blood.


What part of the blood fight germs?

The white blood cells


What is a major difference between white blood cells and white blood cells?

Red blood cells contain hemoglobin, but white blood cells do not


What color are blood cells?

De-oxygenated human blood is NOT blue. Blood in veins is NOT blue. Human blood is ALWAYS red regardless of whether it is venous or arterial blood, regardless of whether it is oxygenated or deoxygenated, regardless of whether it is inside the body or outside the body. Human blood is red. Period. Veins appear blue from outside the skin because of the way light interacts with skin and blood - NOT because blood is blue in color.


What cells are in the bloodstream?

The cells in the bloodstream include red blood cells, white blood cells, and platelets. Red blood cells carry oxygen to tissues, white blood cells help fight infections, and platelets aid in blood clotting.


What blood cells fight pathogens?

White blood cells fight infection while the red blood cells carry blood to your heart.


What is the difference between white blood cells and red blood cells?

White blood cells have a nucleus and red blood cells don't.


What is the type of marrow that are the most blood cells produced?

Red and white blood cells.


What is the difference between red blood cells and white blood cells?

White blood cells have a nucleus and red blood cells don't.