Multiple choice

Kidney is involved in the excretion of

  1. urea, extra salts and excess water

  2. extra urea, salts and extra water

  3. extra urea, extra water and extra amino acids

  4. extra urea, extra salts and carbohydrates

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

Kidney is involved in the excretion of urea, extra salts and excess water.