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mbowdish mbowdish
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Posts: 470
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5 years ago

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

Human Anatomy and Physiology


Edition: 11th
Authors:
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DWFG2796DWFG2796
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Posts: 368
5 years ago
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mbowdish Author
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5 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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This helped my grade so much Perfect
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2 hours ago
Just got PERFECT on my quiz
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