ALM: air passages, lungs, muscles
1. Regarding the gaseous exchange system, which statements are correct?
2. What is gaseous exchange in the human respiratory system?
3. The human gas exchange system is best described by which statement?
What is cellular respiration?
A chemical process in cells releasing energy for survival.
Gaseous exchange system components
Air passages, lungs, ventilation muscles
What does gaseous exchange involve?
Exchange of gases between air and blood in lungs.
Inhalation process
Diaphragm contracts downward, ribcage lifts
What triggers inhalation in breathing mechanics?
Contraction of the diaphragm and external intercostal muscles triggers inhalation.
Vital capacity definition
Max air exhaled after deep breath
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