Body: The pineal gland — a pea-sized gland in the middle of y…

Question

Did you know? The pineal gland — a pea-sized gland in the middle of your brain — produces melatonin and regulates your day-night rhythm. René Descartes (1640) called it "the seat of the soul" because it is the only part of the brain that is NOT split in two.

Accepted Answer

The pineal gland — a pea-sized gland in the middle of your brain — produces melatonin and regulates your day-night rhythm. René Descartes (1640) called it "the seat of the soul" because it is the only part of the brain that is NOT split in two.

De pijnappelklier (pineal gland) — een erwt-grote klier midden in je hersenen — produceert melatonine en regelt je dag-nacht-ritme. René Descartes (1640) noemde hem "de zetel van de ziel" omdat het het enige onderdeel van de hersenen is dat NIET in tweeën is verdeeld.

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