What causes the AV valves to close during this phase? Posted byAnonymous July 5, 2026 Questions Whаt cаuses the AV vаlves tо clоse during this phase? Show Answer Hide Answer Tags: Accounting, Basic, qmb, Post navigation Previous Post Previous post: Does ventricular pressure rise rapidly or slowly during this…Next Post Next post: How much does the ventricular pressure change due to the blo…