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SnowQueen SnowQueen
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6 years ago
A sixth grade science teacher asks the students to explain the role of cilia in the lower respiratory tract. Which student response is the best?
 
  A) These little hairs move germs trapped in mucous toward the throat so the body can cough them out.
  B) Cilia help to warm the airways so that moisture in the air can neutralize any germs that get in our lungs.
  C) Cilia can trap the microbes in one location so the body can grow scar tissue around them and wall them off so they can't cause disease.
  D) Cilia help facilitate a chemical defense against germs by secreting an enzyme that will cement the germ to the lining of the airways.
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YatesmYatesm
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6 years ago
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SnowQueen Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Yesterday
This helped my grade so much Perfect
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2 hours ago
Correct Slight Smile TY
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