When the body starts to shiver, the body is slowing increasing heart rate. When your body hits cold air, your heart rate needs to rise, not only to to keep our body core temperature at 98.6 degrees but also to help guarantee to keep blood flowing up to our brains, our important muscles and internal organs.
Its a symptom of any number of things; Pericardial Tamponades (fluid buildup of sac surrounding heart), a heart contusion, a dysrhytmia like Ventricular Fibrillation or Ventricular Tachycardia...
Answer:
vitamin D
Explanation:
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The good Samaritan laws are in place to protect bystanders