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Which gland secretes the hormone called thymosin?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following hormones is secreted by the pancreas in response to low blood sugar?
A
Insulin
B
Glucagon
C
Somatostatin
D
Cortisol
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Understand the role of the pancreas in regulating blood sugar levels. The pancreas secretes hormones that help maintain glucose homeostasis.
Identify the hormones listed in the problem: Insulin, Glucagon, Somatostatin, and Cortisol. Each has a distinct function related to metabolism and blood sugar regulation.
Recall that insulin is secreted by the pancreas to lower blood sugar levels by facilitating the uptake of glucose into cells. Therefore, it is not secreted in response to low blood sugar.
Recognize that glucagon is the hormone secreted by the pancreas when blood sugar levels are low. It acts to increase blood sugar by promoting the release of glucose from stored glycogen in the liver.
Note that somatostatin and cortisol have different roles. Somatostatin regulates the secretion of other hormones, while cortisol is a stress hormone produced by the adrenal glands, not the pancreas.
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