With heart disease and its risk factors affecting a large majority of the human population (WHO 2012) it is imperative to raise awareness of daily physical activity and the preventative and manageable benefits it reaps against heart disease (Bassuk & Manson 2009). It is made up of four chambers, two upper chambers known as Atria and two lower, thicker walled chambers, known as Ventricles. The Heart Essay examples. Two of these chambers are receiving chambers called the left and right atrium. The heart and blood vessels form an intricate network throughout the human body. Conclusion. It is what keeps your blood flowing and your organs going. 1801 Words 8 Pages “The heart” The Heart is a very important organ in the body. The heart is a very vital and important part of the human body. Heart Failure The heart is among the body’s most essential organ. Conclusion. Essay on Major Risk Factors for Heart Disease 913 Words | 4 Pages. Conclusion Coronary heart disease is a serious condition caused by the build-up of fatty deposits within the walls of the vital arteries that supply blood to the heart. It has a strong muscular wall and is made up of a special type of muscle known as myocardium, which is only found in the heart. In order for it to function properly it has four layers, four chambers, and very intricate veins and arteries to carry deoxygenated and oxygenated blood to and from the human body. The heart is considered as the body's circulatory pump, located in the thoracic cavity. America has become increasingly over weight by over eating, eating unhealthy and not getting enough exercise. Coronary heart disease is the major cause of death in Western societies but to a large extent is preventable. The heart pumps blood throughout the body which brings nutrients other organs require. The blood that is pumped is filled with nutrition and oxygen (Colombo 7). A sheep’s heart was used in this prac because like the human heart it has four chambers and is similar in size. It likewise brings oxygenated blood to the lungs which permits us to breathe. The anatomy of the four-chambered heart is central to the network and functions to maintain blood moving throughout the body. The heart is a muscle in all mammalian bodies that is used to pump blood and nutrients throughout the body. It is a tireless muscle that pumps more than two thousand gallons of blood every day. Conclusion Of Heart Disease Heart Disease Many may or may not be surprised to know the number one killer in America for both men and women is heart disease.