Multiple choice

What is the principle for purification of blood in kidney?

  1. Filtration

  2. Diffusion

  3. Osmosis

  4. Reabsorption

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

The blood in kidneys is filtered by nephrons, the functional units of the kidney. Each nephron begins in a renal corpuscle, which is composed of a glomerulus enclosed in a Bowman's capsule.