Multiple Choice
Which chemicals are primarily released from the adrenal medulla?
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16. The Endocrine System
Introduction to the Endocrine System
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Male hormones are primarily produced by which of the following organs?
A
Thyroid gland
B
Pancreas
C
Testes
D
Adrenal medulla
Verified step by step guidance1
Understand the role of male hormones, primarily testosterone, which is responsible for male secondary sexual characteristics and reproductive functions.
Identify the organ responsible for producing testosterone. Testosterone is primarily produced by the testes, which are part of the male reproductive system.
Recall that the testes contain specialized cells called Leydig cells, which are responsible for synthesizing and secreting testosterone in response to signals from the pituitary gland (specifically luteinizing hormone).
Eliminate the other options: The thyroid gland primarily regulates metabolism through thyroid hormones, the pancreas produces insulin and glucagon for blood sugar regulation, and the adrenal medulla produces catecholamines like adrenaline and noradrenaline, not testosterone.
Conclude that the correct organ responsible for producing male hormones is the testes.
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