The surprising reason you feel awful when you get sick 7/15 截止

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Scientists have found the ____ that causes the illness.

• patience

• pattern 

• path

• pathogen

They found that different departments of the organization were not sufficiently well ____.

• cooperated 

• coordinated

• corrected 

• collaborated 

I become quite ____ when I'm hungry.

• irritable

• ironic
  

• irrelevant 

• irrational 

What causes the discomfort you feel every time you get ill?

• brain cells 

• muscles

• immune system 

• limbic system 

Which one is not the symptom when a pathogen enters your body?

• increased appetite 

• sleepiness

• muscle aches 

• surging temperature