Question

How is the entry of dust and bacteria prevented during respiration??If vishu24578 will answer this question I will surely mark him brainlist ​

Answer 1

Explanation:

our respiratory tract has ciliated epithelium

and mucous

which traps:

• dust Particles
• bacteria
• humidifies air
• bring air to body temperature

hope it helps u

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Answer 2

Explanation:

the respiratory system has protective mechanism to avoid damage in in the nasal cavity, hair and mucus tap small particles virus bacteriadoes and does to prevent entersif particular make it beyond the nose aur enters via the mouth the bronchi ank bronchioles several protective device