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Multiple Choice
Which of the following is not part of the endocrine system?
A
Adrenal gland
B
Spleen
C
Pituitary gland
D
Thyroid gland
Verified step by step guidance
1
Understand the function of the endocrine system: The endocrine system is responsible for producing and secreting hormones that regulate various bodily functions such as metabolism, growth, and mood.
Identify the organs typically associated with the endocrine system: Common endocrine glands include the adrenal gland, pituitary gland, and thyroid gland, all of which secrete hormones directly into the bloodstream.
Recognize the role of the spleen: The spleen is primarily involved in filtering blood, recycling old red blood cells, and supporting the immune system, but it does not produce hormones.
Compare the functions: While the adrenal, pituitary, and thyroid glands are involved in hormone production, the spleen is not, making it distinct from the other options.
Conclude which organ is not part of the endocrine system: Based on its function, the spleen is not part of the endocrine system, as it does not secrete hormones.