Adrenaline
(uh-DREN-uh-lin)
Definition: A hormone released by the body in response to stress, fear, or excitement, preparing the body for action.
Examples
- When the roller coaster started, a rush of adrenaline made my heart beat fast.
- Adrenaline can help you run faster or react quickly in an emergency.
- Sometimes, feeling nervous before a big test can give you a little adrenaline boost.
- This hormone is part of the body's 'fight or flight' response.
Quick Quiz
What does adrenaline help your body do?
A) Sleep
B) Digest food
C) Prepare for action
D) Relax
(Answer: C)
Related Words
- Hormone
- Stress
- Energy
- Reaction
- Excitement