06.13.2023 - By Jon Haws RN
Download for FREE today - special Mnemonics Cheatsheet - so you can be SURE that you have that Must Know information down: bit.ly/nursing-memory Outline 1 Heart, 2 Lungs BETA 1-One Heart BETA 2-Two Lungs Description Beta 1 adrenergic receptors are mostly found in the heart. Beta 2 adrenergic receptors are found in lungs, GI tract, vascular smooth muscle, skeletal muscle, liver. Beta 1 beta blockers act primarily on the heart. Beta 2 beta blockers act primarily on the lungs.