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CBSE Class 7 Answered

how can you different between inhalation and exhalation  
Asked by 422rambabu | 01 Jan, 2019, 09:40: PM
answered-by-expert Expert Answer

Differences between inhalation and exhalation:

INHALATION

EXHALATION

  • It is the process of intake of air into the lungs.
  • It is the process of releasing air out from the lungs.
  • Diaphragm contracts and flattens by moving down.
  • Diaphragm relaxes and turns dome-shaped by moving up.
  • Internal intercostal muscles relax and external costal muscles contract.
  • Internal intercostal muscles contract and external intercostal muscles relax.
  • The volume of the lungs increases.
  • The volume of the lungs decreases.
  • Size of chest cavity increases.
  • Size of chest cavity decreases.
  • In this process, oxygen is taken into the blood.
  • In this process, carbon dioxide is pushed out.
 
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