The Body's Tiny Defense System
When a sniffle strikes, two curious kids shrink down to meet the body's tiny defenders—white blood cells, antibodies, and more—as they discover how the immune system spots germs and fights them off.
La aventura del túnel de la comida
Un bocado de almuerzo lanza a dos niños curiosos a un viaje salvaje por el túnel de la comida del cuerpo: el sistema digestivo.
Spanish version coming soon.
This story is not available in Spanish yet. You can keep reading in English, or check back soon for the Spanish PDF and quiz.
Spanish version coming soon.
This story is not available in Spanish yet. You can keep reading in English, or check back soon for the Spanish PDF and quiz.
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🔬 Science Element
El sistema digestivo convierte la comida en nutrientes que el cuerpo puede usar. La comida viaja por la boca, el esófago, el estómago y los intestinos, donde enzimas y ácidos ayudan a descomponerla antes de que los nutrientes se absorban en la sangre.
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