salinaruizouc1bc salinaruizouc1bc
  • 11-05-2018
  • Biology
contestada

If a membrane lines a cavity with an opening to the external environment, it is called a

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SARGEDOG
SARGEDOG SARGEDOG
  • 11-05-2018
 Mucus 

Mucus membranes line body cavities that typically open to the external environment.

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