Podcast Beta
Questions and Answers
Phagocytes are ______ blood cells that roam through tissues and body cavities, engulfing and disposing of any bacteria, viruses, and cellular debris they encounter.
white
One of the most important weapons used by the immune system to fight ______ produced by white blood cells.
pathogens
Microorganisms of the digestive system are ______ bacteria that reside in the digestive system.
friendly
You can become immune by experiencing a ______ so that antibodies are created and when the disease infects you again with its pathogens, the body will know how to deal with it.
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Motile means being able to ______ the body from place to place.
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Three characteristics of all vertebrates are: They have a ______, a brain protected by a skull, and a backbone.
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