Mechanics of Breathing

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Presentation transcript:

Mechanics of Breathing

The Respiratory System

Mechanics of Breathing

Inspiration-Rest

Expiration-Rest

Inspiration- Exercise Recruit skeletal muscles to increase volume of thoracic cavity Sternocleidomastoid Scalene Pectorals

Expiration- Exercise This now becomes Active Recruit muscles to compress the chest faster and with more force. Internal Intercostals Abdominals

Exam Question Explain the mechanics of breathing for inspiration. Explain how this changes during exercise. Explain the mechanics of breathing for expiration. Explain how this changes during exercise

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