Using the extremes of temperature that occur in a day’s skiing, this program shows the range of mechanisms through which the human body maintains a steady internal temperature and protects its vital organs: shivering, hair erection, and rerouting of blood supplies to conserve heat; increased blood flow to the body surface, sweating, and panting to lose heat. (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#: BVL837 Copyright date: ©1984 DVD (Chaptered) ISBN 978-1-4213-7913-5

Part of the Series : The Living Body

DVD (Chaptered)	$99.95
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3-Year Streaming	$99.95

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		Internal Defenses This program deals with events when the entire body is under attack-when bacteria or viruses invade the whole system. It shows the roles of the spleen, the lymphatic system, and the white blood cells, and explains the body's production of antibodies....(more details)		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)		DVD (Chaptered) $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		Breath of Life 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 exc...(more details)		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)		DVD (Chaptered) $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		Moving Parts This program shows how the cerebellum coordinates muscle activity and how position sensors in the muscles and joints and the balancing mechanism of the inner ear function. The motions of a waterskier show how muscles, joints, and organs link up. The ...(more details)		DVD (Chaptered) $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95

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