It is a thin muscles that contracts and relaxes to help the air go in and out?

What disease is nick suffering from nick observes thickening and discoloration of the nail of the index finger nick is most likely suffering from a what infection

Can someone give me one specific health problem, and explain it. !

Asap during the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.