Biology
Which of the following is not a part of the respiratory system ?
- Nostrils
- Lungs
- Mouth
- Trachea
Respiratory System
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Answer
Mouth
Reason — In humans, the organs of the respiratory system include nose, pharynx, larynx, trachea, bronchi and the lungs. One should always breathe through the nose and not through the mouth.
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Related Questions
The front opening of the wind pipe is guarded by
- Glottis
- Exoglottis
- Epiglottis
- Trachea
The process during which food is oxidised and energy is released is called
- Cellular respiration
- Excretion
- Digestion
- Transpiration
The common passage of wind pipe and food pipe is termed as .
- Larynx
- Glottis
- Pharynx
- Epiglottis
The energy produced during cellular respiration is .
- ADP
- ADH
- ATP
- None of the above