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Author: Roland N. Pittman Publisher: Biota Publishing ISBN: 1615047212 Category : Medical Languages : en Pages : 117
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: Roland N. Pittman Publisher: Biota Publishing ISBN: 1615047212 Category : Medical Languages : en Pages : 117
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: Richard Nelson Publisher: Vintage ISBN: Category : Nature Languages : en Pages : 428
Book Description
Examines the physiology of deer, and describes how they have had to adapt to man's encroachment on their natural environments in varied parts of the United States.
Author: Michitoshi Inoue Publisher: Springer Science & Business Media ISBN: 4431683674 Category : Medical Languages : en Pages : 330
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: Monique Tello Publisher: Simon and Schuster ISBN: 1507209258 Category : Health & Fitness Languages : en Pages : 272
Book Description
100+ tips to improve your heart health in an easy-to-read, accessible guide with all of the advice you’re looking for, without the confusing medical jargon. Your heart is the center of your body—treat it right! Understanding how your heart works and what you can do to keep it healthy is the key to preventing disease and illness. In Healthy Habits for Your Heart, you’ll find over 100 heart-related habits, exercises, and strategies you can implement in your daily life to improve your heart health now and for years to come—all presented in a practical and easy-to-read format. Including information on how your heart works, what kind of dangers could threaten its health, and how you can make small changes every day to safeguard your heart’s health, Healthy Habits for Your Heart, will help you take your heart’s health into your own hands. Just turn the page to keep your ticker happy and strong.
Author: Leslie A. Pray Publisher: ISBN: 9780309297493 Category : Health & Fitness Languages : en Pages : 0
Book Description
Caffeine in Food and Dietary Supplements is the summary of a workshop convened by the Institute of Medicine in August 2013 to review the available science on safe levels of caffeine consumption in foods, beverages, and dietary supplements and to identify data gaps. Scientists with expertise in food safety, nutrition, pharmacology, psychology, toxicology, and related disciplines; medical professionals with pediatric and adult patient experience in cardiology, neurology, and psychiatry; public health professionals; food industry representatives; regulatory experts; and consumer advocates discussed the safety of caffeine in food and dietary supplements, including, but not limited to, caffeinated beverage products, and identified data gaps. Caffeine, a central nervous stimulant, is arguably the most frequently ingested pharmacologically active substance in the world. Occurring naturally in more than 60 plants, including coffee beans, tea leaves, cola nuts and cocoa pods, caffeine has been part of innumerable cultures for centuries. But the caffeine-in-food landscape is changing. There are an array of new caffeine-containing energy products, from waffles to sunflower seeds, jelly beans to syrup, even bottled water, entering the marketplace. Years of scientific research have shown that moderate consumption by healthy adults of products containing naturally-occurring caffeine is not associated with adverse health effects. The changing caffeine landscape raises concerns about safety and whether any of these new products might be targeting populations not normally associated with caffeine consumption, namely children and adolescents, and whether caffeine poses a greater health risk to those populations than it does for healthy adults. This report delineates vulnerable populations who may be at risk from caffeine exposure; describes caffeine exposure and risk of cardiovascular and other health effects on vulnerable populations, including additive effects with other ingredients and effects related to pre-existing conditions; explores safe caffeine exposure levels for general and vulnerable populations; and identifies data gaps on caffeine stimulant effects.
Author: Dr. Natasha Campbell-McBride, M.D. Publisher: Chelsea Green Publishing ISBN: 1603588965 Category : Health & Fitness Languages : en Pages : 197
Book Description
If you stop any person on the street and ask them what causes heart disease, you know what their answer will be: butter and eggs, meat and fat. This infamous Diet-Heart Hypothesis was proposed in 1953, and it took scientists all over the world a few decades to prove it wrong. The trouble is that while science was beginning to cast doubt upon its basic tenets, the Diet-Heart Hypothesis was giving rise to a powerful and wealthy political and commercial machine with a vested interest in promoting it—by means of anti-fat and anti-cholesterol propaganda presented relentlessly and with increasing intensity. In this book Dr. Campbell-McBride tackles the subject of CHD (Coronary Heart Disease), caused by atherosclerosis, a disease of the arterial wall that leads to narrowing and obstruction of the arteries. She maintains that conventional medicine does not actually know the cause of atherosclerosis or how to cure it, and explores in this book what it is, what causes it, and how to prevent and reverse it. She dispels the myth of the Diet-Heart Hypothesis, and explains that cholesterol is not the enemy but an integral and important part of our cell membranes.
Author: Institute of Medicine Publisher: National Academies Press ISBN: 030915698X Category : Medical Languages : en Pages : 304
Book Description
The Social Security Administration (SSA) uses a screening tool called the Listing of Impairments to identify claimants who are so severely impaired that they cannot work at all and thus immediately qualify for benefits. In this report, the IOM makes several recommendations for improving SSA's capacity to determine disability benefits more quickly and efficiently using the Listings.
Author: Caldwell B. Esselstyn Jr. M.D. Publisher: Penguin ISBN: 1583333002 Category : Health & Fitness Languages : en Pages : 329
Book Description
The New York Times bestselling guide to the lifesaving diet that can both prevent and help reverse the effects of heart disease Based on the groundbreaking results of his twenty-year nutritional study, Prevent and Reverse Heart Disease by Dr. Caldwell Esselstyn illustrates that a plant-based, oil-free diet can not only prevent the progression of heart disease but can also reverse its effects. Dr. Esselstyn is an internationally known surgeon, researcher and former clinician at the Cleveland Clinic and a featured expert in the acclaimed documentary Forks Over Knives. Prevent and Reverse Heart Disease has helped thousands across the country, and is the book behind Bill Clinton’s life-changing vegan diet. The proof lies in the incredible outcomes for patients who have followed Dr. Esselstyn's program, including a number of patients in his original study who had been told by their cardiologists that they had less than a year to live. Within months of starting the program, all Dr. Esselstyn’s patients began to improve dramatically, and twenty years later, they remain free of symptoms. Complete with more than 150 delicious recipes perfect for a plant-based diet, the national bestseller Prevent and Reverse Heart Disease explains the science behind the simple plan that has drastically changed the lives of heart disease patients forever. It will empower readers and give them the tools to take control of their heart health.
Author: Juliet Marillier Publisher: Penguin ISBN: 1101149248 Category : Fiction Languages : en Pages : 381
Book Description
National bestselling author Juliet Marillier revisits the classic fairy tale of Beauty and the Beast in this “engaging Gaelic fantasy romance staring two fascinating reluctant souls”(Genre Go Round Reviews). Whistling Tor is a place of secrets, a mysterious, wooded hill housing the crumbling fortress belonging to Anluan—a chieftain whose name is spoken throughout the region in tones of revulsion and bitterness. A curse lies over Anluan’s family and his people, and the woods themselves hold a perilous force whose every whisper threatens doom. Then the young scribe Caitrin appears in Anluan’s garden, admiring the rare plant known as heart’s blood. Retained to sort through entangled family documents, Caitrin brings about unexpected changes in the household, casting a hopeful light against the despairing shadows. But even as Caitrin brings solace to Anluan, and the promise of something more between them, he remains in thrall to the darkness surrounding Whistling Tor. To free Anluan’s burdened soul, Caitrin must unravel the web of sorcery woven by his ancestors before it claims his life—and their love...
Author: Roland N. Pittman
Author: Roland N. Pittman
Author: Richard Nelson
Author: Michitoshi Inoue
Author: Ronald Hoffman
Author: Monique Tello
Author: Leslie A. Pray
Author: Dr. Natasha Campbell-McBride, M.D.
Author: Institute of Medicine
Author: Caldwell B. Esselstyn Jr. M.D.
Author: Juliet Marillier