In blood and heart essay

Essay on Human Heart: Location, Structure and Other Details (with diagram)

The major blood vessels that are connected to the heart include the aortathe superior vena cava, the inferior vena cava, the pulmonary artery which takes oxygen-poor blood from the heart to the lungs, where it is oxygenatedthe pulmonary veins which bring oxygen-rich blood from the lungs to the heart and the coronary arteries which supply blood to the heart muscle.

It brings deoxygenated blood from posterior or lower body parts i.

Essay on the structure and functions of Heart for students

Valvular heart disease can be genetic. This is your heartbeat. Taylor, [3] Epicardium: Your heart is the pump that makes it all possible.

The pattern described below is repeated over and over, causing blood to flow continuously to the heart, lungs, and body. The pericardium is a sac that encompasses the heart.

Essay: What is Heart Disease?

Blood Vessels Entering and Leaving the Heart: It contains enormous amounts of protein called haemoglobin, which is responsible for its dark or bright red colour.

Atrio-ventricular valve which is a two flap bicuspid valve present between left auricle and left ventricle and stops back flow of blood from ventricle to auricle.

These are the only veins which carry oxygenated blood. This fluid protects the heart from external pressure, push, shock and reduces friction during the heart beat and facilitates free heart contraction. The pulmonary artery passes through the walls of the heart and divides into left and right pulmonary artery.

Contraction of the artia - Artial Systole Contraction of the Ventricles - Ventricular Systole Relaxation or rest period of - Complete cardiac diastole The artria and ventricles.

This is the outermost layer of the heart, made up of connective tissue. The leaflets of the mitral and tricuspid valves are also supported by tough, fibrous strings called chordae tendineae. From left auricle oxygenated blood passes into left ventricle through left auri-ventricular valve.

While coronary artery disease refers to the coronary arteries, coronary heart disease refers to the diseases of the coronary arteries and resulting complications. Each side is subdivided into an upper and lower chamber. Flow of blood through the heart The heart acts as a pump which drives blood into and through the arteries, but the right and left side of the heart of function quiet separately from one another.

Once in the lungs the air goes to blood vessels that are connected to veins and arteries, which then carry it throughout your whole body.

The circumflex artery supplies blood to the left atrium, as well as the side and back of the left ventricle.Essay on Human Heart: Location, Structure and Other Details (with diagram) Article Shared by.

arising from the base of aorta and supply blood to heart muscles, (blockage at these arteries result a myocardial infraction or heart attack). A full heart beat in human beings lasts for about seconds and this period splits as follows.

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Heart failure is another type of heart disease characterized by the heart’s inability to effectively pump enough blood to the body’s organs and tissues. Essay on the structure and functions of Heart for students which empty their content into the left atrium of the heart.

This oxygenated blood passes through the left artrio ventricular valve into the left ventricle from where it is pumped into the aorta, the main artery of the body to all parts of the body. words comprehensive essay. Free Essay: “The heart” The Heart is a very important organ in the body.

It is what keeps your blood flowing and your organs going. It is a tireless muscle. “As the heart beats, the heart pushes blood through a network of blood vessels called arteries.

How Your Heart Works

As the blood travels through the arteries, it pushes against the sides of these blood vessels and the strength of this pushing is called blood pressure.” We will write a custom essay sample on Lab Report: Blood Pressure specifically for you.

The heart propels blood throughout the body by twisting. The blood that is pumped is full of nutrients that the rest of the body needs. The heart pumps aroundtimes per day, and can be told by the brain to pump either more or less blood based of what the body needs.

For example, if you are scared, of have an adrenaline rush, the brain.

In blood and heart essay
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