which of the following is not an example of keeping the respiratory system healthy?

A. Carl sleeps 8-10 hours a day and starts his day with breathing exercises.
B. Enola always wear masks so she could prevent inhaling dusts and allergens.
C. Bethany wakes up every morning and jogs in her village for atleast five 30 minutes.
D. Hani who is a dedicated student tends to sleep late to finish her thesis in advance.​