The surfactant is produced by great alveolar cells (granular pneumonocytes, a cuboidal epithelia), which are the most numerous cells in the alveoli, yet do not cover as much surface area as the squamous alveolar cells (a squamous epithelium<span>).
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Answer: Marine environments provide the perfect habitat for these seagoing birds. They can be found in tropical and subtropical regions of the west coast of Central America, and northern South America.
Explanation:
They provide a critical habitat for many other organisms <span>best explains the role of deep sea coral reefs in the environment.</span>