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-Pupils dilate and eyes stare.
- Salivary glands close down and & mouth and lips become dry.
- Tense Contracted Muscles (especially around the shoulders and the neck and all skeletal muscles).
- Breathing becomes faster and shallower supplying more oxygen to the muscles.
- Increased heart rate by as much as 100%.
- Blood vessels dilate – increases blood supply to the muscles and the brains.
- Sugar is released from the liver for instant energy.
- Fat (cholesterol) is produced by the liver for fuel.
- Digestion slows down or closes down so that more blood is available to the muscles.
- Muscles tense and release lactic acid into the bloodstream.
- Fists clench ready for action.
- Blood vessels and capillaries move to the skin surface to cool the body by perspiration.
- Adrenal glands situated near the kidneys release hormones, i.e. adrenaline and noradrenaline into the bloodstream.
- They serve to raise the heart beat rate.
- Widens airways to the lungs, constricts blood vessels supplying skin and intestines.
- Relaxes muscles at the opening of anus and bladder.
- Subcutaneous fat is released into the bloodstream to provide energy for the fight/flight response.
Titany answered the question on July 28, 2021 at 06:17
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