See It · The Urinary System

Urinary System Walkthrough

How your kidneys clean blood and make urine, one step at a time. Go at your own pace. Nothing here is graded.

Speed

Think of it like this

Quick check

Wrong answers are fine here. Read why, then try again.

Dr. Akash Garg · See It: Anatomy & Physiology · Chapter 25, The Urinary System (OpenStax Anatomy & Physiology 2e) · Use the left and right arrow keys to move between steps. Try it hands-on in the Urinary Lab.
Diagrams are simplified and not to scale. Particle counts, speeds and time are exaggerated so you can see them, and values are rounded textbook numbers.