Most organs get two autonomic nerve supplies. They pull in opposite ways. One is sympathetic (“fight or flight”). The other is parasympathetic (“rest and digest”). Tap an organ to compare.
Eyes
Sympathetic vs parasympatheticdual innervation (two nerve supplies)
Pick an organ
⚡ Sympathetic
🌿 Parasympathetic
📷 Reference image
A real labeled figure. Compare it with the interactive above.
The Two Divisions — OpenStax, CC BY 3.0 (via Wikimedia Commons)
