Question

Why there are no blood cells normally present in human urine?

Answer 1

because blood cells is purified by kidney

Answer 2

There are no blood cells normally present in human urine

Explanation:

• Blood cells aren't found in urine normally. Inflammation, disease, or injury to the kidneys, ureters, bladder, or urethra can cause blood in urine.
• Strenuous exercise, such as running a marathon, can also cause blood in the urine. White blood cells may be a sign of infection or kidney disease.
• Hemoglobin is the protein in the red blood cells which carries oxygen from the lungs to the tissues of the body and returns carbon dioxide from the tissues to the lungs.
• Hemoglobin is an oxygen-transporting protein found inside red blood cells (RBCs). Its presence in the urine indicates blood in the urine (known as hematuria). A small number of RBCs are normally present in urine and usually result in a "negative" chemical test.

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