Due to the presence of which structure is the pulmonary ventilation system in humans better developed than in reptiles and birds?

  • A
    Ribs and intercostal muscles
  • B
    Ribs only
  • C
    Intercostal muscles only
  • D
    Diaphragm

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Similar Questions

Which one of the following is a possibility for most of us in regard to breathing,by making a conscious effort?

Choose the correct option:
$(1)$ The volume of gases involved in breathing movements is measured by $Sphygmomanometer / Spirometer$.
$(2)$ Inspiration is initiated by the $relaxation / contraction$ of the diaphragm.

Hiccups can be best described as

When do inspiration and expiration take place?

Lung ventilation movements are due to

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