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School
California School for the Deaf**We aren't endorsed by this school
Course
BIOTECH 8TH AND 9T
Subject
Biology
Date
Dec 17, 2024
Pages
1
Uploaded by BailiffPorcupine4728
(= . If the esophagus and trachea were separate in humans, which of the following would not be needed? . swallowing b. a nose . an epiglottis d. a diaphragm . All of these are correct. . Inhaled air passes through which of the following structures last? . bronchus b. trachea pharynx d. bronchiole larynx 3. With respect to a counter-current exchange mechanism, which of the following statements is true? b . Blood and water fl ow in opposite directions. . The diffusion gradient of oxygen remains high. c. Oxygen diff uses along a concentration gradient. d e 4q a a b (o) =8 . This mechanism is used in some aguatic organisms. . All of these are correct. . Two muscular structures control air pressure inside the lungs. Changes in air pressure cause air to move into nd out of the lungs. Inhalation is a result of the . contraction of the diaphragm and pleural membranes . contraction of the diaphragm and intercostal muscles . relaxation of the diaphragm and intercostal muscles . relaxation of the diaphragm and pleural membranes . relaxation of the diaphragm and contraction of the intercostal muscles . Which of the following disorders can be the result of smoking? . stomach cancer b. emphysema . cancer of the oral cavity d. chronic bronchitis . All of these are correct.
