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During inhalation, oxygen is taken into the lungs. Her death was due to the inhalation of toxic chemicals.
Inhalation.
inhalation
diaphragm
oxygen
Trachea
the intercostal muscles contract
The ribs expand during inhalation. This creates negative pressure on the lungs and draws air into them. During exhalation the rib cage gets smaller, compressing the lungs, in a sense, and forcing air out.
Your vocal chords are tense during the inhalation
Crackles
The chest cavity increases in size during inhalation
The diaphragm and the external intercostal muscles.