When dogs are overheated they pant. When you are overheated you sweat. and persp

Question

When dogs are overheated they pant. When you are overheated you sweat. and perspiration effective mechanisms for cooling? Why are panting 43. Detergents are used to remove oil stains from clothing or grease from dishes. How do detergents work? 44. CLEAN-UP All solutions used in this laboratory may be discarded down the sink ollect and dry-off the pennies, needles, and metal nuts - they should not end up in the sink. chips may remain in the beakers -they should not end-up in the sinkl Clean and return all glassware to your table. The hot plate should be turned off and unplugged. All used paper towel should be placed in the trash. Neatly organize the equipment on your table. Wipe down table. Push-in your chairs when you leave class. Instructors-please refill the tubes with water and place them back in th

Explanation / Answer

43) Dogs can't sweat through their skin. Dogs do sweat through their paw pads, but it's by panting that dogs circulate the necessary air through their bodies to cool down in response to overheating. So, panting is a very vital mechanism for cooling in dogs. Our sweat glands are distributed over most of our body's surface. In response to overheating, the sweat provides a slick of moisture over the skin, which then begins to evaporate. As a fluid evaporates it cools. In that way, sweat helps to lower our body temperature by effectively wrapping us in a thin cool layer.

44) Detergent contains the surfactants, and they (surfactants) are made of molecules that have two different ends. One end is strongly attracted and attached to water; the other is attracted and attached to oily substances like grease. The water molecules pull the surfactant and dirt away from the clothes.

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