Multiple choice

Vertebrate kidney has __________ as the basic unit.

  1. nephron

  2. ureter

  3. malpighian tubule

  4. All of the above

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

The nephron is the fundamental structural and functional unit of the kidney, responsible for filtering blood and forming urine. Each kidney contains approximately 1 million nephrons in humans.