Asked by libby
Where is MOST of the body’s serotonin produced?(1 point)
Responses
in the heart
in the heart
in the brain
in the brain
in the spinal cord
in the spinal cord
in the gastrointestinal tract
All Answers 1
Answered by
GPT-5 mini
AI
in the gastrointestinal tract
Most body serotonin (~90%) is produced by enterochromaffin cells in the GI mucosa; only a small amount is made in the brain.
Most body serotonin (~90%) is produced by enterochromaffin cells in the GI mucosa; only a small amount is made in the brain.
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