Pharmacy Facts | Study Tips on Instagram: "This commonly gets tested, so let's take a minute to review! 🤓⁠ ⁠ One heart (β-1), two lungs (β-2) — that's all you need to remember! 🫀🫁⁠ ⁠ Selective beta-blockers block β-1 receptors in the HEART, making them safer for patients with asthma or COPD.⁠ ⁠ Non-selective beta-blockers block BOTH β-1 AND β-2 receptors, which can cause bronchospasm in the lungs — a big no-no for respiratory patients!⁠ ⁠ Remember: Be selective about your MANBABE!⁠ ✨ Metoprol