Multiple Choice
Which gland is known as the master gland in the endocrine system?
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16. The Endocrine System
Introduction to the Endocrine System
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Which gland is responsible for releasing melatonin?
A
Pineal gland
B
Thyroid gland
C
Pituitary gland
D
Adrenal gland
Verified step by step guidance1
Begin by identifying the function of melatonin in the body. Melatonin is a hormone that regulates sleep-wake cycles, commonly known as the circadian rhythm.
Next, consider which gland in the body is associated with the production and release of melatonin. Melatonin is primarily produced in response to darkness and helps signal the body to prepare for sleep.
Review the list of glands provided: Pineal gland, Thyroid gland, Pituitary gland, and Adrenal gland. Determine which of these glands is linked to the regulation of sleep and circadian rhythms.
Understand that the pineal gland is a small endocrine gland located in the brain. It is known for its role in producing melatonin, especially in response to darkness.
Conclude that the pineal gland is responsible for releasing melatonin, as it is the gland that regulates sleep patterns by secreting this hormone.
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