oxygen intake;

carbon dioxide removal;

filters air;

humidifies air;

passageway for air;

connects nasal cavity to larynx;

houses vocal cords;

protects trachea against food aspiration;

windpipe;

conducts air to lungs;

splits from trachea;

directs air into each lung;

primary organs of respiration;

includes alveoli for gas exchange;

muscle aiding in breathing;

contracts to facilitate inhalation;

process of inhalation and exhalation;

maintains oxygen and carbon dioxide balance;

filters out particles and pathogens;

acts as a barrier against infections;

carbon dioxide levels affect acidity;

maintaining homeostasis;

chronic condition affecting airways;

causes wheezing and shortness of breath;

progressive lung disease;

includes emphysema and chronic bronchitis;

infection causing inflammation in lungs;

leads to fluid fill in alveoli;

uncontrolled cell growth in lungs;

often associated with smoking;

imaging to view lungs;

detects abnormalities;

measures lung function;

evaluates respiratory conditions;

visual examination of airways;

allows for tissue sampling;

bronchodilators for asthma;

antibiotics for infections;

pulmonary rehabilitation;

cough management techniques;

lung transplant in severe cases;

procedures to remove tumors