The heart is often a 4-chambered hollow organ. It's divided into the correct and left sides by a muscular wall termed a septum. The correct and left sides are additional divided into two upper chambers named atria (or atriums) and two decrease chambers identified as ventricles. The 4 chambers are: https://marcolylbp.jiliblog.com/93241330/indicators-on-4200-loan-you-should-know