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Human Body Systems
Nervous System
"nervous system." Britannica School, Encyclopædia Britannica, 6 Dec. 2025. school.eb.com/levels/middle/article/nervous-system/353527. Accessed 3 Apr. 2026.
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Human Body Systems
Nervous System
"nervous system." Britannica School, Encyclopædia Britannica, 6 Dec. 2025. school.eb.com/levels/middle/article/nervous-system/353527. Accessed 3 Apr. 2026.