Respiration in Organisms — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceRespiration in Organisms1 Mark
MCQ
During breathing air reaches the lungs through
A
Oesophagus.
B
Spleen.
✓
Trachea.
D
Anus
✓
Answer
Correct option: C.
Trachea.
During breathing when we inhale air $($take in$),$ it passes through nostrils into the nasal $-$ cavitv.
From nasal $-$ cavitv it goes into trachea $($wind $-$ pipe$).$
Through trachea it reaches our lungs.
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