All Organs
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Muscles & Bones
600+ muscles and 206 bones working together. A baby is born with 270 bones that fuse as they grow.
5 min read
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Did You Know?
Bone is 5x stronger than steel, gram for gram
Related Habit
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Active Movement
The Brain's Miracle-Gro
20 minutes of physical play today — jumping, running, or dancing!
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