ACE2 and cardiovascular disorder: A large number of studies have shown that ACE2 can reverse myocardial injury in various cardiovascular diseases (CVDs) as well as is exert anti‐inflammatory, antioxidant, anti‐apoptotic and anticardiomyocyte fibrosis effects by regulating transforming growth factor beta, mitogen‐activated protein kinases, calcium ions in cells and other major pathways.