8. An adult human at rest inhales and exhales approximately 520 mL of air ( called the tidal volume ) in approximately 5
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8. An adult human at rest inhales and exhales approximately 520 mL of air ( called the tidal volume ) in approximately 5
8. An adult human at rest inhales and exhales approximately 520 mL of air ( called the tidal volume ) in approximately 5 sec. However, at the end of each exhalation, the lungs still contain a volume of air, called the functional residual capacity (FRC), which is approximately 2000 ml. a) What volume of air is in the lungs after inhalation? b) What is the period of a complete respiratory cycle? c) What is the average amount of air in the lungs during one breathing cycle is (ml)?