Bronchial Tubes - Large tubes that carry air into smaller branches of the lungs after the air has passed through the mouth, nasal passages, and windpipe.⏎
Chromosome - An organized structure of DNA and proteins within the nucleus of a cell that contains many genes.⏎
Bioterrorism - The deliberate release of a virus, bacterium, or other biological agent to cause illness and death in people, animals, or plants.⏎