Examlex
Discuss the distribution of income around the world.Which countries have the highest average incomes? Which countries have the lowest average incomes? How has the distribution of income changed in recent years?
Pleura
The thin membranes enveloping the lungs and lining the inside of the chest cavity, which help facilitate smooth lung movement during breathing.
Difficulty Breathing
A sensation of not being able to draw a deep breath or experiencing shortness of breath; a symptom of various medical conditions.
Fatty Substance
A general term for organic compounds that are insoluble in water but soluble in nonpolar solvents, including fats, oils, waxes, and certain vitamins.
Alveoli
Microscopic air sacs within the lungs where the exchange of oxygen and carbon dioxide occurs.
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