In the simplest case, endocrine activity may be controlled by changes in the extracellular fluid composition called ________ stimuli.
A) hormonal
B) cellular
C) neural
D) membrane
E) humoral
E) humoral
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What is the geometric relationship between the sectional area of the nozzle seat, and that of the nozzle pressure chamber known as?
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Which of the following is a probable cause of relay-controlled equipment failing to start when the contactor is closed?
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