📅 NSB 2014🎓 HS🔄 Round 14#️⃣ Q21❓ TOSS-UP✍️ Short Answer
What hormone, secreted from pinealocytes [pin-ee-A-loh-syt], is thought to be responsible for the regulation of the body's circadian [sur-KAY-ee-uhn] rhythms?
✔️Answer:MELATONIN
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