A sneeze is a sudden, forceful, uncontrolled burst of air through the nose and mouth. The speed of a sneeze can reach in excess of 100 mph and can produce more than 100,000 droplets. Many factors can contribute to sneezing, such as allergies, the common cold, triggers to dust, air po...
Graham, Janis
Perhaps you are allergic to something you use daily- a type of fabric in your clothes, or even a cosmetic product like face wash, shampoo, perfume, or shaving lotion. All of these things can contain ingredients which cause an allergic reaction in some people, but many of us don't think...
A sneeze is your body's way to forcefully (and uncontrollably) expel air from the lungs through the nose and mouth (viaMedlinePlus). This is often caused by irritation from particles in and around the lining of the nasal cavity, and it can also be inconvenient and noisy. Causes include a...
sneeze and itch(发痒). What exactly happens to them?Your eyes itch.SymptomsYour nose is running.(症状)You have rashes(疹子) on your skin.It is an allergy. It has to do with your immune system(免疫系统).Why thisUsually, the immune system fights against germs(细菌) to keep youhappensheal...
【题目】CWhat wll you doifyou wantto cough or sneeze (打喷嚏)?Ithink when you cough or sneeze,you'd better turn your head away from other people. And you should cover your mouth with the fullpart of your hand. And then, you should say, "Excuse me." It is so easy, but many ...
What a sneeze can do! (喷出的air traveling at up to 33 meters per second) It's reported that germs can easily travel far enough with the wind. If you stand a few feet away from someone when they sneeze, you may feel a few drops hit your arm. Let's say you go to school with...
Find out what causes allergies and discover ways to help reduce your exposure to common airborne allergens and help relieve your allergy symptoms.
在地理信息系统中，拓扑关系通常用于描述哪些要素之间的关系？
What causes conjunctivitis?The most common cause of conjunctivitis is infection with bacteria or a virus. Allergies or exposure to a chemical may also cause conjunctivitis. Conjunctivitis is easily spread from person to person.What are the signs and symptoms of conjunctivitis?