Biology
WAEC 2022
Use the following processes to answer this question.
I-Ribs move upward and outward
II- Diaphragm relaxes
IIl-Volume of thorax increases
IV-Air is forced out of the lungs
Which of the processes take place during inspiration?
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A.
I and III only
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B.
II and III only
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C.
II and III only
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D.
III and IV only
Correct Answer: Option A
Explanation
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