Asked by Isabelle Perez on May 02, 2024
Verified
__________, a hormone involved in the regulation of circadian rhythms, is secreted by the pineal gland.
A) Serotonin
B) Testosterone
C) Estrogen
D) Melatonin
Melatonin
A hormone produced by the pineal gland that regulates sleep-wake cycles and is involved in various biological rhythms.
Pineal Gland
The endocrine gland that secretes the hormone that controls the sleep/wakefulness cycle.
Circadian Rhythms
The natural, internal processes that regulate the sleep-wake cycle and repeat roughly every 24 hours.
- Link the secretion of melatonin to sleep regulation and circadian rhythms.
Verified Answer
CE
CHRISTINA ELIZABETH ChackoMay 03, 2024
Final Answer :
D
Explanation :
Melatonin is a hormone produced by the pineal gland that is involved in regulating the sleep-wake cycle and other circadian rhythms. Serotonin, testosterone, and estrogen are also hormones, but they are not primarily involved in circadian rhythm regulation.
Learning Objectives
- Link the secretion of melatonin to sleep regulation and circadian rhythms.