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As the tension of vocal folds in the larynx increase, the voice becomes ________.

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As the tension of vocal folds in the larynx increase, the voice becomes ________.

Question 1.

Surfactant helps to prevent the alveoli from collapsing by ________.

• interfering with the cohesiveness of water molecules, thereby reducing the surface tension of alveolar fluid

• warming the air before it enters

• humidifying the air before it enters

• protecting the surface of alveoli from dehydration and other environmental variations

Question 2.

As the tension of vocal folds in the larynx increase, the voice becomes ________.

• louder

• more distinct

• lower in pitch

• higher in pitch

Textbook

Human Anatomy and Physiology

Edition: 11^th

Authors: Marieb, Hoehn

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Brilliant ツ

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