Multiple Choice
Which group of individuals is most likely to have a larger hypothalamus?
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16. The Endocrine System
The Hypothalamus and Pituitary Gland
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Which structure is the primary link between the endocrine and nervous systems?
A
Adrenal cortex
B
Thyroid gland
C
Hypothalamus
D
Pineal gland
Verified step by step guidance1
Understand that the question asks for the structure that primarily connects the endocrine and nervous systems, which means it must have roles in both systems.
Recall that the endocrine system uses hormones to communicate, while the nervous system uses electrical signals and neurotransmitters.
Identify that the hypothalamus is a brain region that receives neural signals and controls the pituitary gland, thus linking nervous system input to endocrine hormone release.
Recognize that other options like the adrenal cortex, thyroid gland, and pineal gland are endocrine glands but do not serve as the main communication bridge with the nervous system.
Conclude that the hypothalamus is the primary link because it integrates nervous system signals and regulates endocrine functions through hormone secretion.
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