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Home Q & A Board Biology-Related Homework Help Medicine Emergency Medical Care
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turblety turblety
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6 years ago
A chemical substance that is released into the blood by a gland and that controls or affects processes in other glands or body systems is a(n):
A) enzyme.
B) hormone.
C) leukotriene.
D) neurotransmitter.
Textbook 
Paramedic Care: Principles & Practice, Volume 3

Paramedic Care: Principles & Practice, Volume 3


Edition: 5th
Authors:
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Bart_argBart_arg
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