kels8709 kels8709
  • 16-01-2024
  • Biology
contestada

The walls of the alveoli are composed of
A. ciliated columnar epithelium.
B. simple squamous epithelium.
C. stratified squamous epithelium.
D. areolar connective tissue.
E. layers of fibroblasts emeshed in collagen fibrils.

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