Blood is cleaned by

A. Lungs
B. Liver
C. Heart
D. Kidneys

Check Answer

The correct answer is D. “Kidneys

Detailed Answer:
The kidneys are responsible for cleaning the blood. The kidneys are a pair of organs located on either side of the body, just below the ribcage. They are responsible for filtering the blood and removing waste products and excess fluids from the body. The kidneys are part of the urinary system, which also includes the ureters, bladder, and urethra. The kidneys receive blood from the renal arteries and filter it through tiny structures called nephrons. The nephrons remove waste products and excess fluids from the blood and return clean blood back to the body through the renal veins. The waste products and excess fluids are then eliminated from the body through the urine.

The liver and the lungs also play important roles in maintaining the health of the blood, but they do not clean the blood in the same way that the kidneys do.
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