About one in 20 people experience bronchitis every year, despite it being a respiratory infection no one wants. Its most common symptoms include wheezing, chest tightness, low fever, fatigue ...

and intertitles to illustrate human anatomy and physiology. Beginning with the organs of respiration, it highlights the structure and function of the nose, larynx, trachea, bronchi, and lungs ...

Dear Reader: Acute bronchitis is a respiratory tract infection ... To better understand the condition, we should begin with a bit of anatomy. When you breathe in, air enters through the nose ...