Final answer:
The intake filter is designed to screen out dust particles, pollen, bacteria, and other particulate matter that can enter the respiratory system.
Step-by-step explanation:
The intake filter is designed to screen out dust particles, pollen, bacteria, and other particulate matter that can enter the respiratory system. The filter acts as a barrier, preventing these harmful particles from reaching the lungs and causing damage or triggering allergic responses.
The respiratory system contains several protective mechanisms, such as hairs and mucus in the nasal cavity, that trap small particles and prevent their entry. Additionally, high-efficiency particulate air (HEPA) filters are used to remove microbes, including bacteria and viruses, from the air.
In summary, the intake filter is designed to screen out dust particles, pollen, bacteria, and other harmful particulate matter that can enter the respiratory system and cause damage or trigger allergic responses.