What is the primary function of surfactant in the lungs? (2020)

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Question: What is the primary function of surfactant in the lungs? (2020)

Options:

Correct Answer: Reduce surface tension

Exam Year: 2020

Solution:

Surfactant reduces surface tension in the alveoli, preventing their collapse and making it easier for the lungs to expand during inhalation.

What is the primary function of surfactant in the lungs? (2020)

What is the primary function of surfactant in the lungs? (2020)

Step 1: Understand that the lungs have tiny air sacs called alveoli.
Step 2: Know that alveoli need to stay open to help us breathe.
Step 3: Learn that surfactant is a special substance produced in the lungs.
Step 4: Realize that surfactant reduces surface tension in the alveoli.
Step 5: Understand that by reducing surface tension, surfactant prevents the alveoli from collapsing.
Step 6: Know that this makes it easier for the lungs to expand when we inhale.

No concepts available.