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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.
Grade Level: 4-12 Interest Level: 5-12 Reading Level: 3-4 Give your students a clear understanding of the body systems with this comprehensive and informative unit! From the “skull” to the “feet” and “tendons” to “tissue,” students will learn about human bones and muscles in this 28-lesson unit. As students gain a better understanding of the human body, they enhance their reading and comprehension skills. Examples: - How many ribs do people have? - What are the number of bones found in the human foot? - What is the difference between “voluntary muscle” and “involuntary muscle?” - What does cartilage actually do? Contents Include: - Glossary - Preview Pages - Vocabulary Lists - Informative Readings - Fact pages - Diagrams - Experiments - Crossword puzzle and word search that can be used as pre/post tests
Grade Level: 4-12 Interest Level: 5-12 Reading Level: 3-4 Give your students a clear understanding of the body systems with this comprehensive and informative unit! From “nerves” to the sense of “smell” and “tasting” to “lung” functions, students will learn about three major systems of the human body in this 28-lesson unit. As students gain a better understanding of the human body, they enhance their reading and comprehension skills. Examples: - What is the difference between “sensory nerves” and “motor nerves?” - What part of the eye is the “iris?” - What part of the ear is a hollow, snail-shaped bone? - How is oxygen used by the body? Contents Include: - Glossary - Preview Pages - Vocabulary Lists - Informative Readings - Fact pages - Diagrams - Experiments - Crossword puzzle and word search that can be used as pre/post tests
Black & white print. Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes interesting applications and conveys the major themes of biology, with content that is meaningful and easy to understand. The book is designed to demonstrate biology concepts and to promote scientific literacy.
Lakhmir Singh’s Science is a series of books which conforms to the NCERT syllabus. The main aim of writing this series is to help students understand difficult scientific concepts in a simple manner in easy language. The ebook version does not contain CD.
This book presents a program of basic studies dealing with the anatomy and physiology of the human body. Each body system is detailed and major organs and their functions are described. Each of the twelve teaching units in this book is introduced by a color transparency (print books) or PowerPoint slide (eBooks) that emphasizes the basic concept of the unit and presents questions for discussion. Reproducible student pages provide reinforcement and follow-up activities. The teaching guide offers descriptions of the basic concepts to be presented, background information, suggestions for enrichment activities, and a complete answer key.
Take your students through a fascinating journey of the Human Body with our 3-book BUNDLE. Start your journey with Cells, Skeletal & Muscular Systems. Build your own cell by sculpting the different parts. Invent your own alien skeleton using the different bones found in the human body. Next, visit your Senses, Nervous & Respiratory Systems. Learn how the brain interprets things we see with our eyes. Conduct an experiment to see just how much air your lungs can hold. Finally, end your journey with the Circulatory, Digestive & Reproductive Systems. Examine your own heartbeat as you learn how to take your pulse. Build a model of a kidney to see it working in action. Each concept is paired with hands-on activities and experiments. Aligned to the Next Generation State Standards and written to Bloom's Taxonomy and STEAM initiatives, additional crossword, word search, comprehension quiz and answer key are also included.