Choi, Betty

From boogers to bruises, real-life pediatrician Betty Choi answers curious kids’ questions about the weird and amazing ways our bodies work.

What do the colors of my boogers mean when I have a cold?

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• Author: Choi, Betty
• Binding: Paperback
• Page Count: 84
• Publish Date: August 04 2026
• ISBN10: 1635868939
• Language: English