This program explains why the body needs regular supplies of air and how it gets them. The camera follows the process of breathing through the ultra-thin membrane of the lung into the blood, showing how the varying demand for oxygen is met by the exchange of information between the brain and the chest muscles and how the body rids itself of carbon dioxide. (26 minutes)

Tell a Friend! Your Name: Your Email: Your Friend's Email: Your Message: We respect your privacy and will not use your friend's address without permission. Item#: BVL835 Copyright date: ©1984 VHS ISBN 978-0-89113-170-0 DVD (Chaptered) ISBN 978-1-4213-7911-1

Part of the Series : The Living Body

VHS	$99.95
DVD (Chaptered)	$99.95
DVD + 3-Year Streaming	$149.93
3-Year Streaming	$99.95

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		Breakdown This program, from The Living Body series, investigates the digestive consequences when a family sits down to lunch. As the first morsel is put into the mouth, the camera watches from inside as the molars clamp down and the process of breakdown and t...(more details)		VHS $99.95 DVD (Chaptered) $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		The Nervous System: Nerves at Work This program looks at nerve signals and how they are transmitted. It looks at the part played by nerve messages in reflex activities and at both the chemical and electrical activities of networks of nerve cells in contact. (26 minutes)(more details)		VHS $99.95 DVD (Chaptered) $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		The Circulatory System: Two Hearts That Beat as One This program describes the structure and functioning of the heart. It analyzes the three basic components of the heart-muscle, valves, and pacemaker-and shows how each one contributes to the proper functioning of the organ as a whole. (26 minutes)(more details)		VHS $99.95 DVD (Chaptered) $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		The Urinary Tract: Water! This program shows the crucial part water plays in the body's functioning and the system for keeping it in balance. Drinking, sweating, and breathing are covered. The urinary tract is analyzed in detail, with particular attention to the functioning o...(more details)		VHS $99.95 DVD (Chaptered) $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		Life Under Pressure This program follows the journey of a red blood cell around the circulatory system to demonstrate the efficient and elegant design of oxygen and food delivery to all parts of the body and the removal of wastes before they can do harm. It shows how th...(more details)		VHS $99.95 DVD (Chaptered) $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95

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