← Chapter 15
Anatomy & Physiology · Chapter 15

Autonomic Neurotransmitters

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 reference figure
Autonomic Neurotransmitters — OpenStax, CC BY 3.0 (via Wikimedia Commons)