Cardiovascular System Parts And Functions Pdf

cardiovascular system parts and functions pdf

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The circulatory system , also called the cardiovascular system or the vascular system , is an organ system that permits blood to circulate and transport nutrients such as amino acids and electrolytes , oxygen , carbon dioxide , hormones , and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases , stabilize temperature and pH , and maintain homeostasis. The circulatory system includes the lymphatic system , which circulates lymph. Lymph is essentially recycled excess blood plasma after it has been filtered from the interstitial fluid between cells and returned to the lymphatic system.

Blood circulates through a network of vessels throughout the body to provide individual cells with oxygen and nutrients and helps dispose of metabolic wastes. The heart pumps the blood around the blood vessels. The plasma is largely water, containing proteins, nutrients, hormones, antibodies, and dissolved waste products. The heart is a hollow muscular organ which beats over , times a day to pump blood around the body's 60, miles of blood vessels.

Major Functions of the Cardiovascular System

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Oxygen enters the bloodstream through tiny membranes in the lungs that absorb oxygen as it is inhaled. As the body uses the oxygen and processes nutrients, it creates carbon dioxide, which your lungs expel as you exhale. A similar process occurs with the digestive system to transport nutrients, as well as hormones in the endocrine system. These hormones are taken from where they are produced to the organs they affect. The circulatory system works thanks to constant pressure from the heart and valves throughout the body.

Blood must always circulate to sustain life. It carries oxygen from the air we breathe to cells throughout the body. The pumping of the heart drives this blood flow through the arteries, capillaries, and veins. One set of blood vessels circulates blood through the lungs for gas exchange. The other vessels fuel the rest of the body.

Cardiovascular system (heart) anatomy

Human cardiovascular system , organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the blood is propelled by a muscular heart. Two circuits, the pulmonary and the systemic, consist of arterial , capillary , and venous components. The primary function of the heart is to serve as a muscular pump propelling blood into and through vessels to and from all parts of the body. The arteries, which receive this blood at high pressure and velocity and conduct it throughout the body, have thick walls that are composed of elastic fibrous tissue and muscle cells.

The cardiovascular system can be thought of as the transport system of the body. This system has three main components: the heart , the blood vessel and the blood itself. Blood can be thought of as a fluid which contains the oxygen and nutrients the body needs and carries the wastes which need to be removed. The following information describes the structure and function of the heart and the cardiovascular system as a whole. The heart is located in between the two lungs.

 Мистер Чатрукьян? - послышался сверху звучный возглас. Все трое замерли. Над ними, опираясь на перила площадки перед своим кабинетом, стоял Стратмор. Какое-то время в здании слышался только неровный гул расположенных далеко внизу генераторов. Сьюзан отчаянно пыталась встретиться взглядом со Стратмором. Коммандер.

Pulmonary Circulation and Systemic Circulation: The Routes and Function of Blood Flow

Она расхохоталась. - Я же сказала вам, что ревела навзрыд, опоздав на самолет. Он перевел взгляд на слова, нацарапанные на ее руке. Она смутилась. - Боже, вы, кажется, сумели прочесть.

Нельзя дотянуться до звезд, если чувствуешь себя ущемленной, - сказала как-то ее тетушка.  - И если уж попала туда, куда стремилась, постарайся выглядеть на все сто. Сьюзан сладко потянулась и взялась за .

Human cardiovascular system

Circulatory system

В таком случае ему не нужно будет передавать пароль кому-то. Возможно, он работал в одиночку. Стратмор хмыкнул. Мысль Сьюзан показалась ему достойной внимания. - Неплохо, но есть одно. Он не пользовался своими обычными почтовыми ящиками - ни домашним, ни служебными. Он бывал в Университете Досися и использовал их главный компьютер.

 Шекспир, - уточнил Хейл.  - Гамлет. - Самообразование за тюремной решеткой.

Халохот внимательно оглядывал согнутые спины. Он приготовился стрелять метров с пятидесяти и продвигался. El cuerpo de Jesus, el pan del cielo. Молодой священник, причащавший Беккера, смотрел на него с неодобрением. Ему было понятно нетерпение иностранца, но все-таки зачем рваться без очереди.

Pulmonary Circulation and Systemic Circulation: The Routes and Function of Blood Flow

Она ударила его подушкой. - Рассказывай. Немедленно.

5 COMMENTS

Ranger D. L. R.

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The heart is usually situated in the middle of the thorax with the largest part of the dominant site of resistance to flow in the vascular system, play major roles in.

Gundelinda A.

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more muscular than the right ventricle. Describe the components and functions of the. 5. conducting system of the heart. Explain the events of the cardiac cycle.

Autumn S.

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2004 mazda rx 8 owners manual pdf selecting the right analysis for your data quantitative qualitative and mixed methods pdf

Kluzadapfes

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Describe the major organs of the cardiovascular system and their functions. 4. Describe the anatomy of the heart. 5. Describe the flow of blood through the heart​.

Bhoodteroti

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oxygenated blood to all parts of the body except the lungs. ▻ Superior vena PAUSe POINT. Explain the function of the heart in the cardiovascular system. Hint.

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