AEDs Arrive. Around 1980, the AED (automated external defibrillator) debuted. The 'automated' part is what is really exciting. Now people with only minimal training can successfully revive VF victims in the field, even before Emergency Medical Services personnel arrive.
Sensitivity has many shades of meaning but most relate to your response to your environment â either physical or emotional. Sensitivity to cold means youâre quick to notice the slightest chill â in the air or in another personâs actions. A sensitivity to pollen means youâre sneezing any time itâs in the air â you just always seem to react to it. Itâs the same with emotions â sensitivity means you pick up on the feelings of others.
When you are too cold your body has several ways to heat itself up, one of these is by shivering. When you shiver you mucsles are working quickly to try and generate heat. Ano â¦ ther way is, when the temperatures are extremely low the blood moves to your body's core, supplying blood to your vital organs. As a reaction to the cold you body curls up/hunches over to try and prevent heat loss. Also, to keep heat loss to a minimum you blood vessels keep away from the top of your skin, this is called vasoconstriction. 17 people found this useful.