Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, through which oxygen diffuses into their bodies. The tracheae begin at the surface of the insect's body and penetrate into the interior. Suppose that a tracheae is 1.83 mm long with a cross-sectional area of 1.47 x 10-9m2. The concentration of oxygen in the air outside the insect is 0.651 kg/m3, and the diffusion constant is 1.79 x 10-5 m2/s. If the mass per second of oxygen is diffusing through a trachea is 1.77 x 10-12 kg/s, then find the oxygen concentration at the interior end of the tube.
Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, through which oxygen diffuses into their bodies. The tracheae begin at the surface of the insect's body and penetrate into the interior. Suppose that a tracheae is 1.83 mm long with a cross-sectional area of 1.47 x 10-9m2. The concentration of oxygen in the air outside the insect is 0.651 kg/m3, and the diffusion constant is 1.79 x 10-5 m2/s. If the mass per second of oxygen is diffusing through a trachea is 1.77 x 10-12 kg/s, then find the oxygen concentration at the interior end of the tube.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter12: Fluid Dynamics And Its Biological And Medical Applications
Section: Chapter Questions
Problem 7PE: (a) As blood passes through the capillary bed in an organ, the capillaries join to form venules...
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Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, through which oxygen diffuses into their bodies. The tracheae begin at the surface of the insect's body and penetrate into the interior. Suppose that a tracheae is 1.83 mm long with a cross-sectional area of 1.47 x 10-9m2. The concentration of oxygen in the air outside the insect is 0.651 kg/m3, and the diffusion constant is 1.79 x 10-5 m2/s. If the mass per second of oxygen is diffusing through a trachea is 1.77 x 10-12 kg/s, then find the oxygen concentration at the interior end of the tube.
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