Answer:
2. it can identify people who have been in contact with an infected person
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Answer:
Explanation:
Their lungs grow less than children who do not breathe secondhand smoke, and they get more bronchitis and pneumonia. Wheezing and coughing are more common in children who breathe secondhand smoke. Secondhand smoke can trigger an asthma attack in a child.
Answer:
Diaphragmatic breathing requires contraction of the diaphragm and is also called deep breathing. Costal breathing requires contraction of the intercostal muscles and is also called shallow breathing.
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