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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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mbowdish mbowdish
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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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5 years ago
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mbowdish Author
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5 years ago
Correct Slight Smile TY
Transonic
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Yesterday
Good timing, thanks!
TAT1238
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2 hours ago
Thank you, thank you, thank you!
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