genesseejg
genesseejg genesseejg
  • 15-02-2022
  • Health
contestada


The
and protects the body from invading organisms, forming a protective
circle around the entrance to the respiratory system.

Relax

Respuesta :

aera9876
aera9876 aera9876
  • 23-02-2022

Answer:

here's the answer to your question hope it helps you

Explanation:

the mucus layer

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