The Cardiovascular System

[18.1.1] Functions of Blood

Leave a reply 3 A system it is an organized structure of components that maintain interrelations. These components can be physical or symbolic. Cardiovascular, for its part, is a term linked to heart and the circulatory system.

The Cardiovascular system, therefore, encompasses those structures that allow the blood and lymphatic circulation. The concept can be used synonymously with circulatory system.

Specifically, we can establish that the correct functioning of the cardiovascular system is influenced not only by the blood and the heart, but also by descriptive essay a corresponding blood vessels and the lymphatic system. The latter is characterized by the fact that it functions as a transport system both for the regulation of extracellular fluids and for defenses and fatty acids. In the case of blood vessels, these can be classified into elastic arteries, arterioles, muscular arteries, capillaries, veins and venules. Through its functions, the cardiovascular system makes the cells receive nutrients and other substances. On the other hand, the components of the system are in charge of collecting metabolic residues that are later eliminated through the air expelled during respiration and urine.

No less important is to determine that in The Cardiovascular System work process of the cardiovascular system three layers become basic elements and fundamental scenarios: Internal This is what The Cardiovascular System known by the name of endocardium in what is the heart and intima in the blood vessels.

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It basically works as a metabolic unit. In the The Cardiovascular System it is called myocardium and it is made up of different types of muscle fibers. External Adventitia is the name it has in the aforementioned blood vessels while in the heart it is called the epicardium. It is possible to divide the circulation of the blood into two large cycles: the major, general, or systematic circulation and the minor, central, or pulmonary circulation.

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The major circulation begins in the ventricle of the heart which is located on the left side, passes through the The Cardiovascular System artery and the arterial branches and reaches the capillary system, where it empties into one of the The Cardiovascular System cavae to return oxygenated to the heart. The minor circulation, on the other hand, begins in the right ventricle, crosses the pulmonary artery, is oxygenated in the alveolar capillaries and returns to the heart through the pulmonary veins.

The complete circuit of the cardiovascular system, therefore, it begins in the left ventricle and runs through the aorta artery; systemic arteries and capitals; the vena cavas; the right atrium; the right ventricle; the pulmonary artery; pulmonary arteries and capillaries; the pulmonary veins; the left atrium; and returns to the left ventricle. In addition to all the above, it must also be emphasized that there are a large number of diseases that affect the cardiovascular system. Among them stands out, for example, the acute myocardial infarction which is commonly known as a heart attack.

However, among the most frequent pathologies that affect this system are also angina, stroke, atherosclerosis, congestive heart failure or aneurysm. This consists of a dilation of one of the blood vessels that occurs as a result of a weakening of what is the vascular wall.]

The Cardiovascular System Video

The Cardiovascular System - apologise

One of each type is shown here, isolated from a scanning electron micrograph. Chapter Objectives After studying this chapter, you will be able to: Identify the primary functions of blood, its fluid and cellular components, and its physical characteristics Identify the most important proteins and other solutes present in blood plasma Describe the formation of the formed element components of blood Discuss the structure and function of red blood cells and hemoglobin Classify and characterize white blood cells Describe the structure of platelets and explain the process of hemostasis Explain the significance of AB and Rh blood groups in blood transfusions Discuss a variety of blood disorders Single-celled organisms do not need blood. They obtain nutrients directly from and excrete wastes directly into their environment. The human organism cannot do that. Our large, complex bodies need blood to deliver nutrients to and remove wastes from our trillions of cells. The heart pumps blood throughout the body in a network of blood vessels. Together, these three components—blood, heart, and vessels—makes up the cardiovascular system. This chapter focuses on the medium of transport: blood. Like all connective tissues, it is made up of cellular elements and an extracellular matrix.

The Cardiovascular System - ideal

The Cardiovascular System The Heart of it All Your heart is an organ that sits between the lungs and is the size of your fist. The Heart The heart is an organ that divides into two sides- left and right, which then divides into upper and lower chambers called an atrium and ventricle respectively. The left side pumps oxygen rich blood to tissue throughout the body while the right side is responsible for pumping oxygen-depleted blood through the lungs. The diagram below shows the heart chambers and valves. The Flow Following the blue on the preceding diagram, we see that oxygen poor blood from the body enters the heart through two veins into the right atrium. This blood then flows into the right ventricle through the tricuspid valve that is open.

Pity, that: The Cardiovascular System

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The Cardiovascular System	153
ESSAY ABOUT MENTAL ILLNESS	The Cardiovascular System: Major Functions • Delivers O 2, nutrients • Removes CO 2, other waste • Transports hormones, other molecules • Temperature balance and fluid regulation • Acid-base balance • Immune function. The Cardiovascular System • Three major circulatory elements 1. A pump (heart) 2. The cardiovascular system is critical to our survival. It is known to be the body's major transportation network. Without it, our body would not receive the nutrients and oxygen it needs to function. The cardiovascular system is made up of the heart, blood vessels, and blood. This fluid, which is mostly water, perpetually suspends the formed elements and enables them to circulate throughout the body within the cardiovascular system. [] Functions of Blood The primary function of blood is to deliver oxygen and nutrients to and remove wastes from body cells, but that is only the beginning of the modernalternativemama.com: Qut Anatomy, Physiology Team.

The Cardiovascular System.