STD 11 - 14. Breathing and exchange in gases — BIOLOGY STD 11 Science — Question
Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 14. Breathing and exchange in gases1 Mark
MCQ
Which portion of the human respiratory system is called sound box?
✓
Larynx
B
Trachea
C
Nasopharynx
D
Glottis
✓
Answer
Correct option: A.
Larynx
a Larynx is a cartilaginous box, which helps in sound production and hence called sound box. Until puberty, there is a little difference in the size of larynx (sound box) in males and females. Thereafter, it grows larger and become prominent in males. Therefore, it is called Adam's apple in man. It is the first part of the trachea present in the neck
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