Pulmonary surfactant is a mixture of lipids and proteins which is secreted into the alveolar space by epithelial type II cells. The main function of the surfactant is to lower the surface tension at the ir/liquid interface within the alveoli of the lung. In babies born prematurely, pulmonary surfactant may not be present in adequate amounts due to insufficient exocytosis in type II alveolar cells.
Answer:
Either on 12th June or 14th
Explanation:
Answer: We all need them so we don't end up like asexual beings CLONES.
Explanation:
B) humans are more closely related to chimps
Two ways a population can increase is more births than deaths, and immigration to the area.
