A&P II: Respiratory System Pt. 2 - Internal Respiratory Structures & Respiration
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Across
This compound reduces surface tension in the alveoli & helps prevent them from collapsing.
The trachea bifurcates into the mainstem ________.
The internal intercostal & abdominal muscles are _______ muscles.
Is the movement of air out of the lungs active or passive?
This is a thin sheet of skeletal muscle that separates the thoracic & abdominal cavities & aides in respiration.
This division of the autonomic nervous system results in bronchoconstriction.
These receptors are involved with mechanical control of respiration.
The diaphragm & external intercostal muscles are _________ muscles.
The bronchi divide into ________.
This is the volume of air remaining in the lungs after maximum expiration.
This is another term for expiration.
This thin, serous membrane covers the organs of the thorax; called _________ pleura.
These are tiny, thin-walled sacs surrounded by capillaries where gas exchange occurs in the lungs.
Down
The _____ nervous system is responsible for controlling the diameter of the airways.
This is another term for inspiration.
Is the movement of air into the lungs active or passive?
This term refers to a decrease in oxygen reaching the tissues.
This control mechanism of respiration monitors blood parameters like CO2, pH, and O2 content.
This division of the autonomic NS results in bronchodilation.
The process of forcing air out of the lungs.
This is the volume of inspired & expired air during one breath.
__________ pressure refers to the pressure of each individual gas in the lungs.
This is the respiratory center, located in the brain stem.
This is the space between the lungs where the heart & thymus is found.
This gas is primarily responsible for affecting blood pH.
This is the process of drawing air into the lungs.
This thin, serous membrane lines the thoracic cavity; called _________ pleura.
These are the organs responsible for respiration.
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