The autonomic system runs on two chemicals — acetylcholine and norepinephrine — but the effect depends on the receptor they land on. Tap each receptor.
Nicotinic
Neurotransmitters & receptorscholinergic vs adrenergic
The receptors
📷 Reference image
A real labeled figure to compare with the interactive above.
Autonomic Neurotransmitters — OpenStax, CC BY 3.0 (via Wikimedia Commons)