The sympathetic nervous system activates the "fight-or-flight" response, quickly readying the body to handle dangerous or stressful situations.
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- Save $100 on Bowflex adjustable dumbbells for Cybe...
- Coronavirus variants: Here's how the SARS-CoV-2 mu...
- Watch a black hole rip 4 stars to shreds in epic n...
- Save $200 on this Schwinn IC4 spin bike for Cyber ...
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- Oral-B Genius X Cyber Monday toothbrush deal - Get...
- Save over $100 on a Fitbit Sense Advanced on Cyber...
- NordicTrack Studio Cycle now $700 off for Cyber Mo...
- SNAEN science kit selling for $29.99 with Cyber Mo...
- 26% off Dino-Egg Dig kit for limited Cyber Monday ...
- Best Cyber Monday science kit deals
- Best Cyber Monday metal detector deals
- Learn about your genetics for just $100 with this ...
- The Omicron variant: What we know so far
- New video reveals how 'caterpillar soup' transform...
- Exquisitely-preserved mammoth tusk found 10,000 fe...
- Save $80 on this Kesnos dehumidifier for Cyber Monday
- Cyber Monday deal: save $295 on the Marcy Foldable...
- Best binoculars for kids 2021
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- Raspberry Pi DIY robot car is 36% off for Cyber Mo...
- Take $50 off Beats Studio Earbuds for Cyber Monday
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