Which one of the following statements is correct?
Correct answer: C. Endocrine glands regulate neural activity, and nervous system regulates endocrine glands.
- A. Endocrine glands regulate the neural activity but not vice versa
- B. Neurons regulate endocrine activity, but not vice versa
- C. Endocrine glands regulate neural activity, and nervous system regulates endocrine glands.
- D. Neither hormones control neural activity nor the neurons control endocrine activity
Explanation
The endocrine system links the brain to the organs that control body metabolism, growth and development, and reproduction. The endocrine system is regulated by feedback. For example, the hormones that are regulated by the pituitary gland, a signal is sent from the hypothalamus to the pituitary gland in the form of a "releasing hormone," which stimulates the pituitary to secrete a "stimulating hormone" into the circulation. The stimulating hormone then signals the target gland to secrete its hormone. As the level of this hormone rises in the circulation, the hypothalamus and the pituitary gland shut down secretion of the releasing hormone and the stimulating hormone, which in turn slows the secretion by the target gland. This system results in stable blood concentrations of the hormones that are regulated by the pituitary gland.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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