While treating patients, a pulmonologist is someone who specializes in the respiratory system.
follows the directions given by technicians.
performs basic tests to check for breathing responses.
takes notes about doctors’ orders.

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.