Domain (Specifically domain Eukarya)
Because they are autorotrophs(they make their own food)so most organisms depend on them.
I would say they need to look to Linneaus System of Classification, because he devised the taxonomical system of class, order, phylum, species variety, etc.
The patient would have to keep the affected area clean in order to prevent infection.
Replace bandages to aid in keeping bacteria out of affected area.
Answer: Alveolar surfactant
Surfactant Alveolar
is a type of substance secreted by pneumocytes II (one type of cell that forms the epithelium in the alveolar membrane). This substance is known as an tensioactive agent, decreasing the surface tension within the alveoli.
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