A nephrologist primarily specialises in which organ of the human body?
Correct answer: Kidney

J
Interesting facts, I learn something new from this game everyday 😃

Nowsheen
Kidney is made up of millions of filtering units called *nephron*

Clidge
Nephrology is the treatment of just the kidneys. Urology is the treatment of the entire urinary tract. Had to look it up, never heard of nephrology.