Which of the following are functions of kidneys?

  1. They get rid of waste products carried in the blood
  2. They can change blood pressure
  3. They help in making red blood cells
  4. They produce active vitamin D

  Select the correct option from codes given below:

Answer: [D] 1, 2, 3 & 4

All given statements are correct about kidneys.

This question is a part of GKToday's Integrated IAS General Studies Module