The best reason I can think of for why we believe that air is a mixture is that freezing air slowly yields different liquids at different temperatures. Liquid nitrogen has a different boiling point than liquid oxygen. They also freeze at different temperatures.
An inguinal hernia is a protrusion of abdominal-cavity contents through the inguinal canal. Symptoms are present in about 66% of affected people. This may include pain or discomfort especially with coughing, exercise, or bowel movements. Often it gets worse throughout the day and improves when lying down.
What is Inguinal hernia? Inguinal hernia: Protrusion of the intestines out of the groin area. Inguinal hernia: An abdominal hernia with an external bulge in the GROIN region. Inguinal hernia: hernia in which a loop of intestine enters the inguinal canal; the most common type of hernia in males.