Diameter of an artery can be changed by:
Correct answer: C. Both chemical and nervous stimulation
- A. Nervous stimulation
- B. Chemical stimulation
- C. Both chemical and nervous stimulation
- D. None of the given options
Explanation
The diameter of any given vessel may also change frequently throughout the day in response to neural and chemical signals that trigger vasodilation and vasoconstriction.
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About Chemical Coordination and Hormones
Chemical coordination uses hormones released by endocrine glands and carried in blood to specific target cells. Coverage includes the pituitary, thyroid, pancreas, adrenal glands, ovaries and testes, feedback control, and the contrast between slower, longer-lasting hormonal responses and rapid nervous coordination.
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