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Ventilation (External Respiration)
The movement of air through the conducting passages between the external environment and the lungs
The exchange of oxygen and carbon dioxide between the air in the lungs and the blood in the surrounding capillaries
The exchange of gases between tissue cells and the blood in the tissue capillaries
Abbreviation for carbon dioxide, a gas that is considered a metabolic waste product that we expell through breathing
A large dome-shaped muscle that divides the thoracic and abdominal cavities. Its contraction aids the thoracic muscles in moving air through breathing passages
A lipoprotein substance that reduces the surface tension of the alveoli so they do not adhere and collapse
Shorter, wider, and more vertical than the left bronchus. Easier for particles to enter than the left side
Abbreviation for "oxygen". A gas taken from the atmosphere into the lungs. it is necessary for cellular metabolism to occur.
Hair like structures of the respiratory system that propel mucus with trapped particles toward the pharynx
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