sympathetic nervous system illustrated with brain spinal cord and organs |
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| navigate by keyword : sympathetic nervous system autonomic neural pathways brain spinal cord fight flight stress response anatomy human nerves neurotransmitters neuron illustration organ medical diagram biology vector physiological adrenaline heart rate blood vessel hormone release anatomical chart body infographic health education scientific drawing function educational poster outline style collection |
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| Sympathetic nervous system illustrated with brain, spinal cord, and organs, showing neural pathways and effects. Outline style collection |
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