An infection of one or both lungs caused by bacteria, viruses, or fungus is known as pneumonia. Lung air sacs become inflamed as a result of the illness, as the alveoli swell with liquid or pus, breathing becomes challenging. Air…
In which Hank does some push ups for science and describes the “economy” of cellular respiration and the various processes whereby our bodies create energy in the form of ATP. Crash Course Biology is now available on DVD! Like CrashCourse…