The DRC for Ach on frog rectus experiment demonstrates the dose-response curve of acetylcholine on frog rectus muscle. Using mycalpharm simulation software, students can easily study muscle contraction, drug effects and analyze the <a href="https://mycalpharm.com/experiments" target="_blank"><strong>DRC for Ach on frog rectus</strong></a> in an interactive, ethical and user-friendly environment.