A), recovery time! You should let your muscles recover after intense workouts.
Answer:
Its C
Explanation:
Surfactant lowers surface tension at the air-liquid interface and thus prevents alveolar collapse at end-expiration.
You should further care for the patient by taking them to a medical facility where they can be examined by professionals. Or call 911 if symptoms get worse. I hope this helps you.
Eat a diet composed of healthy whole foods.