The nervous system is made of the brain, spinal cord and nerves.
it sends electrical signals to the brain.
you need to eat,drink it helps u keep yourself alive and keeps the system going.
Created with images by Dreaming in the deep south - "nervous system" • IsaacMao - "Brain" • Hey Paul Studios - "Digestive System Anatomical Embroidery Hoop Art. Hand Painted Blue Watercolor." • Tmelu - "Human respiratory system"
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