← Chapter 26
Anatomy & Physiology · Chapter 26

Electrolytes

Electrolytes are charged ions dissolved in body fluids. They drive nerve signals, muscle contraction and fluid balance. So the body controls their levels tightly. Tap each one.

Sodium

Na⁺
Electrolytesthe charged ions

The major ions

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