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Isabel Jaramillo
on Oct 31, 2024

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In the bloodstream, norepinephrine is active as a(n) __________.

A) neurotransmitter
B) hormone
C) endorphin
D) both a and b

Norepinephrine

A neurotransmitter and hormone involved in the body's response to stress; it plays roles in alertness, arousal, and the regulation of blood pressure.

Hormone

A chemical released by a gland. Hormones travel through the bloodstream and influence functions such as metabolic rate, arousal level, and the liver’s sugar output.

  • Understand the difference between the nervous and endocrine systems and their functions.
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Kaylynn BaskinOct 31, 2024
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