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Author: Sarah Levete
Publisher:
ISBN: 9780750257275
Category : Cardiovascular system
Languages : en
Pages : 46
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Book Description
This series explains in detail the workings of the human body and its systems.
Author: Sarah Levete
Publisher:
ISBN: 9780750257275
Category : Cardiovascular system
Languages : en
Pages : 46
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Book Description
This series explains in detail the workings of the human body and its systems.
Author: Roland N. Pittman
Publisher: Biota Publishing
ISBN: 1615047212
Category : Medical
Languages : en
Pages : 117
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Book Description
This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
Author: Steve Parker
Publisher: Heinemann-Raintree Library
ISBN: 9780739866214
Category : Juvenile Nonfiction
Languages : en
Pages : 52
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Book Description
This book explains how the body's circulatory and respiratory systems work and shows how they are essential for life. We take a close look at how we breathe and speak, how the heart beats, and how blood works. We will also consider problems that can occur with the heart and lungs and what can be done to keep them healthy.
Author: Sarah Levete
Publisher: The Rosen Publishing Group, Inc
ISBN: 9781435896840
Category : Juvenile Nonfiction
Languages : en
Pages : 52
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Book Description
Discusses the organs and function of the cardiopulmonary system, including information on the vital functions of the lungs and blood, the process of respiration, and keeping the body healthy.
Author: Liang-Che Tao
Publisher: Igaku-Shoin Medical Publishers
ISBN:
Category : Medical
Languages : en
Pages : 522
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Book Description
Author: J. Gordon Betts
Publisher:
ISBN: 9781947172807
Category :
Languages : en
Pages : 0
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Book Description
Author: Izzi Howell
Publisher: Wayland
ISBN: 9781526310415
Category : Blood
Languages : en
Pages : 32
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Book Description
Discover the human body in glorious technicolour! With eye-grabbing diagrams and amazing facts, The Heart, Blood and Lungs takes a vibrant look at some of the body's most important systems. There are trillions of cells in our bodies, each one needing oxygen to survive. This book explores how the heart, lungs and blood work together to supply oxygen to the rest of the body. Mind-boggling facts (for instance, your blood vessels are long enough to stretch around the world two and half times!), and clear and straightforward diagrams help to explain the important functions of your heart, lungs and blood, while unique photos enable the reader to see the human body in a whole new light. This colourful and fact-packed series provides an accessible look at the human body through bright and bold graphics. With spread-filling diagrams, a colour-blocking approach, and simple text and captions, The Bright and Bold Human Body presents the incredible scale and complexity of the human body in small, digestible chunks.
Author: Steve Parker
Publisher:
ISBN: 9780750237215
Category : Blood
Languages : en
Pages : 48
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Book Description
All you need to know about the heart, lungs and blood.
Author: Michitoshi Inoue
Publisher: Springer Science & Business Media
ISBN: 4431683674
Category : Medical
Languages : en
Pages : 330
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Book Description
Research centering on blood flow in the heart continues to hold an important position, especially since a better understanding of the subject may help reduce the incidence of coronary arterial disease and heart attacks. This book summarizes recent advances in the field; it is the product of fruitful cooperation among international scientists who met in Japan in May, 1990 to discuss the regulation of coronary blood flow.
Author: Sean P. Gaine
Publisher: Springer
ISBN: 1447123980
Category : Medical
Languages : en
Pages : 326
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Book Description
The heart and lung are intricately linked. When the heart is affected by disease, the lungs will often show some related pathological or clinical conditions and vice versa. Pulmonary heart disease is by definition a condition when the lungs cause the heart to fail. The left ventricle in combination with the other structures in the “left heart” pumps blood throughout the body. The right ventricle (and structures of the “right heart”) pumps blood to the lungs where it is oxygenated and returned to the left heart for distribution. In normal circumstances, the right heart pumps blood into the lungs without any resistance. The lungs usually have minimal pressure and the right heart easily pumps blood through. However when there is lung disease present, like emphysema, chronic obstructive lung disease (COPD) or pulmonary hypertension- the small blood vessels become very stiff and rigid. The right ventricle is no longer able to push blood into the lungs and eventually fails. This is known as pulmonary heart disease. Pulmonary heart disease is also known as right heart failure or cor pulmonale. The chief cause of right heart failure is the increase in blood pressure in the lungs (pulmonary artery).
