Bronchus The trachea splits into a left and right bronchus (plural: bronchi), each leads to a lung. Bronchiole Each bronchus splits again and again into thousands of smaller tubes called ...

Their branched structure’s tiny passages ... After air goes in your trachea, it travels through your bronchi to your lungs, ...

The study, published in Science, found that a population of basal cells found in the trachea (windpipe ... large areas of the lung. It is from these cells, which express a gene called Krt5 that helps ...