Cells of the immune system influence CNS and endocrine activity by __________.
a. increasing circulating thyroid hormone levels during immune response
b. stimulating cell and tissue metabolism
c. secreting endorphins and thymus hormones
d. performing all of the listed actions
Ans: d. performing all of the listed actions
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Which of the following statements regarding regulation of local blood flow is true?
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Why do humans and other animals have two nostrils?
What will be an ideal response?
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