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1、Unit 5 First Aid 填空_ (comprise) of primarily two layers, the skin is humans _ (large) organ, _ (cover) a total area of about 20 square feet. The skin is of great _ (significant), serving many vital physiological functions. It acts _ the first line of _ (defend) of your immune system, gives you your
2、sense of touch and also prevents your body _ losing too much water. As you can imagine, burned skin, unless _ (treat) right away, will make your body much more vulnerable to _ (infect), shock, and disease.Before giving first aid treatment, its important to correctly identify the _ (severe) of the bu
3、rn injury. The _ (appear) at the center of the wound is the indicator of what degree of treatment _ (require). The first-degree is the _ (little) harmful, and third-degree burns are the worst. _ follows is a short list of general steps to take:First, flush the area with cool water _ (immediate) but
4、_ (gentle). In the _ (absent) of water, use any cool clean fluid such as beer or soft drink. Then, remove any tight clothing from the wound _ its sticking. After that, cover the burn with a clean cloth.Meanwhile, the first aid measures you dont take can be as important as _ you do take. Heres the “s
5、hort list” on what not to do:Do not pierce or open blisters, _ leaves the burned person “wide open” for _ (bacterium). Do not peel off burned dead skin. It not only leaves the new skin underneath vulnerable to illness, _ it can cause scarring.Do not attempt _ (remove) any clothing sticking to the bu
6、rn. Pulling away the cloth can also peel away any healing skin. Do not use butter, antiseptic creams, _ any other “folk remedies” on burns. _ of these treatments will do anything _ (benefit) for major burns.Keys Comprised of primarily two layers, the skin is humans largest organ, covering a total ar
7、ea of about 20 square feet. The skin is of great significance, serving many vital physiological functions. It acts as the first line of defense of your immune system, gives you your sense of touch and also prevents your body from losing too much water. As you can imagine, burned skin, unless treated
8、 right away, will make your body much more vulnerable to infection, shock, and disease.Before giving first aid treatment, its important to correctly identify the severity of the burn injury. The appearance at the center of the wound is the indicator of what degree of treatment is required. The first
9、-degree is the least harmful, and third-degree burns are the worst. What follows is a short list of general steps to take:Flush the area with cool water immediately but gently. In the absence of water, use any cool clean fluid such as beer or soft drink.Remove any tight clothing from the wound unles
10、s its sticking.Cover the burn with a clean cloth.Meanwhile, the first aid measures you dont take can be as important as those you do take. Heres the “short list” on what not to do:Do not pierce or open blisters, which leaves the burned person “wide open” for bacteria.Do not peel off burned dead skin
11、. It not only leaves the new skin underneath vulnerable to illness, but it can cause scarring.Do not attempt to remove any clothing sticking to the burn. Pulling away the cloth can also peel away any healing skin. Do not use butter, antiseptic creams, or any other “folk remedies” on burns. None of these treatments will do anything beneficial for major burns.学科网（北京）股份有限公司