mzkaryn2003
contestada

Sinus cavities within the skull bones are strictly used only to lighten the mass of the skull.

Agree or Disagree?


Explain also

Respuesta :

markgrant

Answer:

Disagree

Explanation:

Sinuses do lighten the skull, but they also produce mucus to moisturize the inside of the nose. This mucus protects your nose from dust, dirt, micro-organisms and other harmful substances.

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