Loss of smell or trouble with breathing
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Answer:
For the fill-in-the-blank statement/question, the answer is inhale. The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
Explanation:
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The first step in respiration is that oxygen passes into the lungs.
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