Essay of the heart

The heart is largely responsible for pumping blood and transporting oxygen and nutrients throughout the body as part of the circulatory system. Because of its role, the heart is one of the essential organs in the body. Even little malfunctions or anomalies can result in significant changes or consequences in the human body. We will help you write the Essay of the heart.

Essay of the heart and homework help
Essay of the heart and homework help

The functioning mechanism of the heart is made possible by the various components that work together. The organ is split into chambers that receive and disseminate oxygen-depleted or oxygen-rich blood. These chambers are connected to veins and arteries, which aid in the same purpose. The heart pumps blood efficiently because all of its components work together toward a common objective.

A healthy Heart Functioning normally

A healthy adult heart can beat at a pace of three cardiac cycles per minute, or 72 beats per minute; however, this rate varies for youngsters whose heart rates are normal and comparatively quicker.

The heart is located in the middle of the chest, beneath the sternum in a thoracic compartment. It comprises four chambers and several valves that control the regular flow of blood throughout the body.

The heart’s top chambers are termed atria, and the left atrium receives oxygen-rich blood while the right atrium receives oxygen-free blood. The tricuspid valve on the left and the mitral valve on the right make up the atrioventricular valves that separate these chambers.

On the other hand, ventricles are chambers in the bottom region of the heart that pump oxygen-rich blood into the body’s organs, reaching even the tiniest cells. Valves divide the ventricular chambers in the same way as they do the atria. The pulmonary and aortic valves make up the semilunar valves, which are collectively known as semilunar valves.

The heart’s wall is made up of three layers: the outer layer epicardium (thin layer), the middle layer myocardium (thick layer), and the innermost layer, endocardium (thick layer) (thin layer). Because it is made up of heart muscle fibres, the myocardium is thick.

The systems that allow blood to circulate throughout the body and return to the heart make the cardiac structure more complicated. Veins and arteries are two types of blood vessels that aid in this continual process. Veins carry oxygen-free blood back to the heart, whereas arteries carry oxygen-rich blood away from the heart and other body regions.

The aorta is the biggest artery in the left ventricle, and it functions there. The aorta is a major artery in the human body. It divides into two smaller arteries known as the common iliac arteries.

The heart can constantly provide enough oxygen to all regions of the body if it is working properly.

The heart is the primary organ in the circulatory system, and its structure is largely responsible for supplying blood circulation and nutrient delivery throughout the body. The heart’s significance as a critical organ whose normal operation is continually required is enhanced by this ongoing duty.

Functions of the Heart

The cardiac cycle, or the heart’s blood pumping cycle, ensures that blood is circulated throughout the body. The oxygen distribution process starts when oxygen-depleted blood enters the heart through the right atrium, travels to the right ventricle, enters the lungs for oxygen replenishment and carbon dioxide release, and returns to the left chambers for redistribution. The body circulates 5.6 litres of blood every minute, and three cardiac cycles are completed per minute.

When a cardiovascular disease or condition is detected, the functioning of the heart may now be easily monitored. A heart-related disease, for example, is characterized by a regular, irregular heartbeat or beats per minute. This is because a heartbeat is a manifestation of the heart’s two-phase oxygen-reloading mechanism.

The tricuspid and mitral valves shut briefly during systole, whereas the aortic and pulmonary valves close for a longer time during diastole. When it comes to monitoring blood pressure, the systole-diastole connection is the gold standard. Examining the pulse rate is another technique to physically determine the heart’s regular functioning (beats per minute). The normal heart rate is 72 beats per minute, but children’s heart rates are often higher.

A person’s heart rate can be easily determined by palpating the radial artery. A non-invasive, virtually painless procedure requires an index finger placed on the wrist or neck area to feel for pulsations of the vessel. This is also an effective way of determining a healthy individual’s resting cardiovascular functioning.

Heart disease and related essay

A disorder manifests heart disease in the heart’s structure or function. Potential cardiovascular ailments are usually caused by problems with blood vessels, which can lead to heart attacks and stroke. A major sign of heart disease is an irregular heartbeat or arrhythmia, wherein the heart beats unusually fast, too slow, skips beats or stops beating. This may be due to clogged arteries that affect the normal functioning of the two ventricles (left and right chambers).

A blocked artery limits blood circulation causing oxygen-deficient tissues to die off. Likewise, when clots form within an artery, it could cause a partial restriction of blood flow. Reduced supply of oxygenated blood causes damaged cells in different body parts such as the brain and heart, leading to varying degrees of organ failure.

Effects of heart disease can cause pain in the chest, arm or back; shortness of breath, cough that does not go away; dizziness; fatigue and fainting spells.

Other cardiovascular ailments are arrhythmia, myocardial infarction (heart attack), cardiomyopathy (deterioration of the heart muscle), tachycardia (abnormally high heartbeat) and angina pectoris (chest pain). An irregular heartbeat is a sure symptom of these complications. A person experiencing such a sign must seek medical attention immediately to prevent further damage to the heart and other organs. This is because an effective treatment plan could be created once its severity and possible causes are identified.

Heart Disease treatment and related essay

An affected person must undergo cardiac rehabilitation to prevent further complications and restore a healthy heart. This program involves controlled exercises, diet recommendations, stress management training and psychological support systems. Although this therapy has been proven effective in recovering the heart’s peak performance after an illness or injury, it is not yet widely practiced in the Philippines because of lack of knowledge and its high price.

For those who cannot afford the services of a specialized center for cardiac rehabilitation, regular physical activity combined with cardiovascular fitness exercises are still beneficial to keep the heart-healthy.

Examples of cardiovascular fitness exercises include walking uphill or on flats at double speed as well as cycling up hills or riding on level roads; pushups; sit-ups; squats while lifting weights; jogging in place or running; aerobic exercises such as pedaling a stationary bike, skipping rope and jumping jacks. Exercises like these increase the heart’s endurance and strength. They also promote proper blood circulation throughout the body.

Heart disease is common among senior citizens because of their age and lifestyle habits. Contrary to what most people think, one can still enjoy good health even if they are already old by following a healthy diet, especially low in cholesterol and sodium content, exercising regularly; avoiding smoking & excessive drinking (alcohol), reducing stress, and learning relaxation techniques such as meditation. A well-maintained heart will benefit a person for many years to come!

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