13. Which of the following is (are) accessory muscles of inspiration? 1. Trapezius muscles 2. Internal abdominis obliquus muscles 3. Scalene muscles 4. Transversus abdominis muscles a. 1 only b. 2 only c. 1 and 3 only d. 2 and 4 only
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Accessory muscles of inspiration are muscles that assist in breathing when the body requires more oxygen, such as during exercise. Show more…
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