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Summary
| Description |
English: A: Reduced light during the night activates a secretion signal through the eyes optic nerve which has direct access to the brain. B: The signal is received by the pineal gland in the middle of the brain. C: The pineal gland produces and releases melatonin that is carried in the blood and throughout the body, triggering sleep and regulating circadian rhythm (your bodies internal 24-hour clock). |
| Date | |
| Source | Own work |
| Author | KathyG123 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:28, 6 June 2019 | | 3,300 × 2,700 (1.64 MB) | KathyG123 | User created page with UploadWizard |
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