Adrenaline is also known as:

1. It coordinates the fight or flight response. 2. The two names refer to one molecule. 3. Adrenaline, also known as epinephrine, is an important chemical in the fight-or-flight response. 4. So the answer is epinephrine. _Source: OpenStax 'Anatomy and Physiology 2e', Ch 15 'The Autonomic Nervous System'_