← Chapter 26
Anatomy & Physiology · Chapter 26

Acid-Base Control

The body defends its pH with three systems that act on very different timescales — from instant to days. Tap each line of defense.

Chemical buffers

Acid-base controlthree lines of defense

The three systems

📷 Reference image
A real labeled figure to compare with the interactive above.
Acid-Base Control reference figure
Acid-Base Control — OpenStax, CC BY 3.0 (via Wikimedia Commons)