Circulatory system essay

The blood carrying oxygen in it is called oxygenated blood. The right side of heart right atrium and right ventricle acts as another pump which pumps blood only into the lungs. Arteries carry blood away from the heart, and veins carry it toward the heart.

We can see from that the left side of heart is completely separated from the right side by a partition called septum. The nerve cell fibers embedded in connective tissue makes up the nervous tissue. When red blood cells pass by the lungs, the carbon dioxide that they are carrying diffuses into the lungs and in return, some oxygen diffuses into the red blood cells.

The Epithelial tissue is found inside the body and is called endothelium. The epithelial tissue is a type of protective tissue that covers the entire human body.

So, the human circulatory system consists of the heart, arteries, veins, capillaries, and blood.

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All the atria and ventricles of the heart contract and relax expand at appropriate times and make the heart behave like a pump. Typically, human organism contains approximately five liters of constantly traveling blood.

The bottom part of the organ is divided into two chambers called the left and right ventricles, which pump blood out of the heart and throughout the entire body. The sympathetic division of the autonomic nervous system causes vasoconstriction, which leads to increases in blood pressure and decreases in blood flow in the constricted region.

On its track back to the heart, the blood circulates through a system of veins. Due to incomplete division within their heart, the oxygenated and deoxygenated bloods mix to some extent in amphibians and reptiles. Greater contractile force and heart rate will lead to an increase in blood pressure, which can also affect blood pressure.

These are known as the thickest blood vessels, with muscular walls that need to contract to keep the blood moving away from the heart and through the body.

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The arteries, veins and capillaries act as pipes or tubes through which the blood flows. The Circulatory System β€” Essay Sample The Circulatory System is an astounding, complex organization, comparable to a highway that passes through the entire human body joining billions of its body cells.

Due to incomplete division within their heart, the oxygenated and deoxygenated bloods mix to some extent in amphibians and reptiles.

The organ system of human beings and other animals which is responsible for the transport of materials inside the body is called circulatory system.

Arteries are found in the whole of our body. The main vein is connected to the right atrium of the heart. Each of us is qualified to a high level in our area of expertise, and we can write you a fully researched, fully referenced complete original answer to your essay question.

This condition can develop from a diet high in salt, smoking, kidney disease, or some other underlying medical condition. In addition, the capillaries also remove waste products such as carbon dioxide. Varicose veins are another common disease of the circulatory system that happens when veins in the legs twist, swell, and become painful.

They cells are highly responsive which means that they react quickly to stimuli. The separation of left and right sides of the heart is necessary to prevent the mixing of the oxygenated blood on the left side with the deoxygenated blood on the right side.

Blood is the fluid that transports the disease-fighting white blood cells, the oxygen-supplying red blood cells, and the fuel-replenishing electrolytes to the bodys various tissues.

American history dbq essays American history dbq essays tall tales from the mekong delta essay help the aims and objectives dissertation against legalization of drugs essay describe the person you admire essay. Diastole, when the heart is at rest, and systole, when the heart contracts to pump deoxygenated blood toward the lungs and oxygenated blood to the body.

The lymph vessels transport lymph, a clear fluid that filters Infectious material from the body. It contains plasma, water, nutrients. Since the blood loses oxygen here, we say that the blood has been deoxygenated.

The pulmonary III carries oxygenated blood from lungs back to the heart. The amphibians and reptiles have, however, a double circulation that delivers blood to the lungs and the rest of the body, respectively. It is made of special muscle called cardiac muscle.

These two types of circulation taken together make double circulation.

Circulatory system

Smoking, an unhealthy diet, stress, and a sedentary lifestyle all ncrease the risk of heart disease. The walls of capillaries are only one-cell thick. Thus, the capillaries are in-between the arteries and veins.

The other end of capillaries is joined to some wider tubes called veins. The cardiovascular system works closely with other systems in our bodies.

Veins are less flexible and thinner than arteries, but they also have the same three layers as arteries do. The human circulatory is one of, if not the, most important systems in the body.

It consist of such organs as the heart and lungs. However every organ and organ system in the body is nourished and kept alive through the use of the circulatory system. The main organ in the circulatory system is the /5(2). Circulatory System Essay the circulatory system The circulatory system is an organ system; the main purpose of the circulatory system is to deliver nutrients such as amino acids and electrolytes.

Move gases, hormones, blood cells, etc to and from cells in the body to fight diseases. Lastly it. The Circulatory System The circulatory system is almost the most important system of all of the different body systems because it supplies the body with the blood and nutrients it needs to function properly and maintain life and movement.

The Cardiovascular System Essay Words | 4 Pages.

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One of the most important systems in the body, keeping it alive, is the cardiovascular system. As a part of the circulatory system, the cardiovascular system pumps blood throughout the body through a network of many arteries and veins, providing it with nutrients and oxygen.

The Circulatory System

Also, the. The human circulatory is one of, if not the, most important systems in the body. It consist of such organs as the heart and lungs. However every organ and organ system in the body is nourished and kept alive through the use of the circulatory system.

The main organ in the circulatory system is the /5(2). Free Essay: The Human Circulatory System The human circulatory is one of, if not the, most important system in the body. β€œIt consists of such organs as the.

Circulatory system essay
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Short essay on Human Circulatory System