Multiple choice

Which of the following processes is used to clean the blood of a person by separating the waste substances like urea from it?

  1. Hydrolysis

  2. Dialysis

  3. Excretion

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dialysis is the medical procedure that artificially cleans blood by removing waste products like urea, creatinine, and excess salts when kidneys fail. It works on the principle of diffusion through a semi-permeable membrane. Hydrolysis is a chemical breakdown process, while excretion is the general biological process.