My Circulatory System
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Author | : Conrad J. Storad |
Publisher | : Lerner Publications |
Total Pages | : 44 |
Release | : 2012-08-01 |
Genre | : Juvenile Nonfiction |
ISBN | : 0761374477 |
Presents information about the circulatory system, looking at the heart, blood, and blood vessels that compose it, as well as how they work together to keep the body healthy.
Author | : Roland N. Pittman |
Publisher | : Biota Publishing |
Total Pages | : 117 |
Release | : 2016-08-18 |
Genre | : Medical |
ISBN | : 1615047212 |
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 | : Leslie A. Pray |
Publisher | : |
Total Pages | : 0 |
Release | : 2014 |
Genre | : Health & Fitness |
ISBN | : 9780309297493 |
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 | : Chris Oxlade |
Publisher | : Capstone Classroom |
Total Pages | : 34 |
Release | : 2014-01-01 |
Genre | : Juvenile Nonfiction |
ISBN | : 1432987585 |
Explains the responsibilities of the circulatory system and highlights blood sugar, the vessels' role in carrying hormones, and heart anatomy.
Author | : Ronald Hoffman |
Publisher | : |
Total Pages | : 2821 |
Release | : 2005 |
Genre | : Blood |
ISBN | : 9780443066283 |
Author | : Martha Elizabeth Hillman Rustad |
Publisher | : Capstone |
Total Pages | : 24 |
Release | : 2019-05-01 |
Genre | : Juvenile Nonfiction |
ISBN | : 1977115446 |
Your circulatory system pumps blood from your heart to the rest of your body. Follow the flow, and learn how blood works hard to keep your body healthy. Bring augmented reality to your students by downloading the free Capstone 4D app and scanning for access to awesome videos!
Author | : Susan Heinrichs Gray |
Publisher | : |
Total Pages | : 40 |
Release | : 2004 |
Genre | : Juvenile Nonfiction |
ISBN | : 9781592960361 |
Text and illustrations explain the purpose, parts, and function of the circulatory sytem.
Author | : Michitoshi Inoue |
Publisher | : Springer Science & Business Media |
Total Pages | : 330 |
Release | : 2013-11-09 |
Genre | : Medical |
ISBN | : 4431683674 |
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 | : Institute of Medicine |
Publisher | : National Academies Press |
Total Pages | : 304 |
Release | : 2010-12-04 |
Genre | : Medical |
ISBN | : 030915698X |
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 | : Karen Ballen |
Publisher | : Capstone Classroom |
Total Pages | : 34 |
Release | : 2013 |
Genre | : Juvenile Nonfiction |
ISBN | : 1429693223 |
"In graphic novel format, follows Ruby the red blood cell as she travels through and explains the workings of the human circulatory system"--