Blood cells are tiny you can only see them using a microscope. They are not HUGE! As an elephant they are trying to trick you.
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No, red and white blood cells and platelets are not removed when urea is removed from the blood. Urea is a waste product that is filtered out by the kidneys, while the red and white blood cells and platelets are important components of the blood that perform essential functions in the body.
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.
White blood cells have a nucleus and red blood cells don't.
White blood cells have a nucleus and red blood cells don't.
Blood cells are called erythrocytes (red blood cells), leukocytes (white blood cells), and thrombocytes (platelets). Nerve cells are called neurons.