What is Adrenaline?
Adrenaline, also called epinephrine, is a hormone and neurotransmitter that is released during exercise and times of stress. It helps prepare the body for the “fight or flight” response.
How Does Adrenaline Work?
When you begin exercising, your body detects the physical stress and releases adrenaline into the bloodstream from the adrenal glands. Adrenaline causes several reactions:
- Increases heart rate to pump more blood to muscles
- Dilates airways to allow faster breathing
- Redirects blood flow to major muscle groups
- Releases glucose for quick energy
- Inhibits digestion and other functions
This primes the body for intense physical exertion.
Effects of Adrenaline
- Improved strength and power
- Heightened focus and concentration
- Reduced fatigue
- Suppressed appetite
Too Much Adrenaline
Excess adrenaline can cause anxiety, shakes, and trouble sleeping. Cooling down properly after training allows it to return to normal levels.
Related Hormones
- Cortisol
- Norepinephrine
- Dopamine
In summary, the release of adrenaline during exercise prepares the body to handle high-intensity training and athletic activities by increasing heart rate, breathing, and blood flow to muscles.
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