The heart is really a 4-chambered hollow organ. It's divided into the proper and remaining sides by a muscular wall referred to as a septum. The right and left sides are even more divided into two higher chambers named atria (or atriums) and two reduce chambers referred to as ventricles. https://mariogotyb.snack-blog.com/36910785/how-4200-loan-can-save-you-time-stress-and-money