The type of epithelium that makes up serous membranes
What is simple squamous
The pressure of the air outside of the body
What is atmospheric pressure
The two main gases involved in respiratory gas exchange
What are oxygen and carbon dioxide
The division of the CNS which contains the respiratory centers
What is the brainstem
The accessory muscles of breathing
What are the intercostals and abdominal muscles
The membrane which lines the internal aspect of the thorax
What is parietal pleura
The directional relationship between volume and pressure
What is inverse
The molecule which transports oxygen throughout the body
What is hemoglobin
The main respiratory center in the brainstem
What is the medullary respiratory center
The functions of the respiratory system (name at least 2 to get points)
What are pH regulation, gas exchange, voice production, olfaction, protection and production of chemical mediators
The membrane which adheres to the surface of the lung
What is the visceral pleura
The direction that gas moves in a pressure gradient
What is from a high pressure area to a low pressure area
The main form in which carbon dioxide is transported through the blood
What are bicarbonate ions
The factor which causes the respiratory centers to override conscious apnea (holding your breath)
What is the rise in PCO2 (partial pressure of carbon dioxide level)
The exchange of gas between the air in the lungs and the blood
What is external respiration
The fluid-filled cavity which surrounds the lungs
What is the pleural cavity
The difference between alveolar and pleural pressures
What is transpulmonary pressure
The four physical principles of gas exchange (name 2 to get the points)
What are membrane thickness, surface area, partial pressure differences and diffusion coefficient of the gas
The major chemical regulator of ventilation
What is carbon dioxide
The exchange of gas between the blood and the tissues
What is internal respiration
The function of pleural fluid
The pressure exerted by each type of gas in a mixture
What is partial pressure
Two factors which influence the oxygen-hemoglobin disassociation curve, other than oxygen concentration
What are pH, temperature, or BPG concentration changes (related to glycolysis)
The receptors which prevent lungs from inflating too much
What are stretch receptors