
The Food Tunnel Adventure
A bite of lunch launches two curious kids on a wild ride through the body's food tunnel—from teeth to stomach to intestines—as they discover how digestion turns food into fuel.
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A bite of lunch launches two curious kids on a wild ride through the body's food tunnel—from teeth to stomach to intestines—as they discover how digestion turns food into fuel.

Two curious kids shrink down to ride along a rushing river inside the body—following blood from the heart through arteries and veins as it delivers oxygen and carries away waste.

When a curious kid touches something hot and pulls away in a flash, two friends follow the secret message highway inside the body—discovering how nerves and the brain send signals faster than a blink.
The immune system protects the body from germs and illness. White blood cells, antibodies, and other defenders work together to find, attack, and remember invaders like viruses and bacteria so the body can heal and fight future infections.
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