Ross and Wilson Pocket Reference Guide to Anatomy and Physiology E-Book
This portable revision aid has been translated from a French volume by Anne Muller, and is designed to be a user-friendly, concise source of information. Its systematic, clear and well-illustrated content is drawn from the best-selling Ross and Wilson Anatomy and Physiology in Health and Illness publications, although it can also be used as a stand-alone resource to complement alternative textbooks. Whatever your anatomy and physiology learning needs are, we hope you ﬁnd this book a convenient and helpful asset, and we wish you success in your studies.
Anne Waugh and Allison Grant September 2018
3.Left side of the heart
5.Right side of the heart
Anatomical: There are two anatomically separate vascular systems. The pulmonary circulation—or the lesser circulation—carries blood from the right heart to the lungs and includes the pulmonary arteries and veins. The systemic circulation—or the greater circulation—carries blood from the left heart to the rest of the body and includes the aorta and its branches, as well as the venae cavae and their tributaries.
Physiological: The blood is the mode of transport of oxygen and carbon dioxide between the lungs and the cells of the body. In the lungs, where gas exchange occurs in the alveolar sacs, the blood extracts oxygen and releases carbon dioxide. The blood ﬂowing to the organs of the body is rich in oxygen and nutrients, which are picked up by the cells of the body as they release their waste products into the blood for excretion.
Clinical: The arterial systolic pressure is higher in the systemic circulation. The colour of the skin and of the nails, whether pink or blue, reﬂects the functional state of the vascular and respiratory systems.
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|November 20, 2020|