Final answer:
Adrenaline acts as both a neuro-modulator and neurotransmitter, playing a crucial role in the fight-or-flight response.
Explanation:
Adrenaline, also known as epinephrine, acts as both a neuro-modulator and a neurotransmitter. It plays a vital role in the body's response to stress and is involved in the fight-or-flight response.
Learn more about Neurotransmitters and neuro-modulators here:
https://brainly.com/question/36672674
