The guts is actually a 4-chambered hollow organ. It can be divided into the correct and left sides by a muscular wall called a septum. The appropriate and remaining sides are even more divided into two upper chambers identified as atria (or atriums) and two lower chambers identified as ventricles. https://robertg778qgf3.actoblog.com/37692889/an-unbiased-view-of-4200-loan