| Bacteria, Viruses & Allergies |
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Video Description
What do salmonella, wasp venom, and the flu have in common? They all cause our immune systems to spring into action. Give your kids a primer on how their bodies respond to each of these antigens.
The Comprehension Questions are available to download as an RTF file. You can save the file to your desktop and open it in a word processing program.
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Product Type: DVD
Price: 69.95
Earth is always changing, and Earth's species must continually adapt. Host Bill Nye gives an inside look at planet Earth, from it....
Price: 69.95
Earth is always changing, and Earth's species must continually adapt. Host Bill Nye gives an inside look at planet Earth, from it....
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