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This is a child's storybook of the adventures of various types of blood cells through the circulation and in fighting an infection. As such, it is an imaginative introduction to the workings of the various components of the blood as well as the circulation. It is probably as much fun for the parent health care worker as it is entertaining and educational for the child.
The "story" is how the body responds when a child gets a splinter in her finger, which becomes infected. The concepts include bone marrow serving as the source; the roles of the heart, spleen, arteries, and veins; transmission of pain; and the various messengers that draw white blood cells to the source of infection. For example, in the illustration on page 13, prostaglandin molecules are personified as "messengers."
Although there is a glossary on the back cover, the concepts are probably not easily understood by
Seeler RA. The Corpuscles: Adventurers in Inner-Space. JAMA. 1990;263(15):2117-2118. doi:10.1001/jama.1990.03440150135045