1.

describe the role of mucus and epithelium in keeping the nasal passage free from the dust particles ​

Answer»

Mucus is STICKY and this helps to trap dust PARTICLES, bacteria and other inhaled debris. Mucus also contains natural antibiotics, which HELP to destroy bacteria - the epithelial cells secrete a substance called defensis. Mucus also contains lysozyme, which is an antibacterial ENZYME.



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