PATHOLOGY

Detailed explanation-1: -The four-chambered heart provides an efficient solution by keeping oxygenated and non-oxygenated blood separate. The supply of oxygen to the body can also be improved by increasing how often the heart contracts.

Detailed explanation-2: -Overview. The heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated.

Detailed explanation-3: -Your heart is a muscle that is responsible for pumping blood throughout the body. The heart is made up of four chambers. The upper chambers are the called atria and act as the receiving chambers. The lower chambers are called ventricles; these are the pumping chambers.