Type 2 cells
Secrete a fluid containing surfactant, cuboidal epithelial cells, interspersed among the type 1 cells.
Type 1 cells
The respiratory membrane is composed of fused basal laminas of the capillary walls and _________. Thin, squamous epithelial cells.
Type 2 cells
Composed of cuboidal cells, interspersed among the type 1 cells. Secrete pulmonary surfactante
_______ respiration - process of oxygen and carbon dioxide exchange at the cellular level when oxygen leaves the bloodstream and is delivered to the tissues
any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with lining of the nasal cavities
Converts CO2 into bicarbonate, enzyme that catalyzes reaction between carbon dioxide and water to form carbonic acid
thread, groove along the medial surface of the lung, that provides entrance to pulmonary vessels, nerves and lymphatics.
Air and food are routed into the proper channels by the ___________. tubelike passageway for food, liquid, and air.
______ Law explains the relationship between the pressure and volume of gases... pressure increase, volume decrease (temp. constant)
the _______ effect -- more oxygen is released because a decrease in pH (acidosis) weakens the hemoglobin-oxygen bond.
the Bohr effect -- more oxygen is released because a decrease in pH (acidosis) _______ the hemoglobin-oxygen bond.
factors that decrease the surface tension of the fluid film in alveoli does not diminish ___________.
the _____ of lungs is an indication of their expandability, or how easily they expand and contract.
A _______ ________ may occure because a diver holds his breath upon ascent., injection of air, from chest wounds, injection of air, from chest wounds
The respiratory rate of a newborn is approximately ____ respirations per minute., the cardinal number that is the product of ten and three
The first branches of the trachea. There are two primary bronchi, one for each lung.
Arising from the primary bronchi, these serve as an airway for each lobe in the lungs; three in the right lung and two in the left lung (smaller)