Question

define of a
drenaline​

Answer 1

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Adrenaline:

A stress hormone produced within the adrenal gland that quickens the heart beat, strengthens the force of the heart's contraction, and opens up the bronchioles in the lungs, among other effects. The secretion of adrenaline is part of the human 'fight or flight' response to fear, panic, or perceived threat.

Answer 2

Answer:

adrenaline is a hormone secreted by the medulla of the adrenal glands it is called the fight or flight hormone as it prepares the body for an emergency and gives extra energy to the body