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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) |
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$99.95 |
| DVD + 3-Year Streaming |
$149.93 |
| 3-Year Streaming |
$99.95 |
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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) |
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| DVD (Chaptered) |
$99.95 |
| DVD + 3-Year Streaming |
$149.93 |
| 3-Year Streaming |
$99.95 |
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Hormones: Messengers
 The delicate interplay of hormones is responsible for all the events of reproduction. How many other body processes are controlled and cooordinated by these chemical messengers becomes apparent in this program, which follows the role hormones play in...(more details) |
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| DVD (Chaptered) |
$99.95 |
| DVD + 3-Year Streaming |
$149.93 |
| 3-Year Streaming |
$99.95 |
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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) |
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| DVD (Chaptered) |
$99.95 |
| DVD + 3-Year Streaming |
$149.93 |
| 3-Year Streaming |
$99.95 |
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Cell Duplication: Growth and Change
 This program uses the fascinating setting of a circus to provide the analogy for growth. A magician creating the illusion of multiplying balls introduces micro-photography showing how cells divide and multiply. The program shows how bones are continu...(more details) |
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| DVD (Chaptered) |
$99.95 |
| DVD + 3-Year Streaming |
$149.93 |
| 3-Year Streaming |
$99.95 |
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