Respiratory Distress Syndrome. Respiratory distress syndrome of the newborn, also called hyaline membrane disease, is the most common cause of respiratory distress in premature infants, correlating with structural and functional lung immaturity. The pathophysiology is complex.
Orange juice with pulp is a heterogeneous mixture. The pulp is not uniformly distributed throughout the juice, often settling at the bottom of the jug, resulting in regions with distinctly different properties.
Orange juice is not a pure substance but a mixture of different pure substances. Pure substances are made of only one type or atom or molecule. Orange juice, even fresh squeezed from the orange and not reconstituted with water and concentrate, is made of of multiple different substances, including sugar, citric acid, vitamin C and water. Full Answer >.