GENERAL ANATOMY
IMMUNE SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The room your friend was in was too warm.
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You ate the same kind of food your friend ate.
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You did not dress properly.
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The virus that causes the flu entered your body.
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Detailed explanation-1: -The flu is caused by an influenza virus. Most people get the flu when they breathe in tiny airborne droplets from the coughs or sneezes of someone who has the flu. You can also catch the flu if you touch something with the virus on it, and then touch your mouth, nose, or eyes. People often confuse colds and flu.
Detailed explanation-2: -muscle or body aches. headaches. fatigue (tiredness) some people may have vomiting and diarrhea, though this is more common in children than adults.
Detailed explanation-3: -Most healthy children and adults with the flu can infect others beginning about one day before developing any symptoms and up to seven days after the symptoms resolve. People with weakened immune systems can remain contagious for up to several weeks.