3 public questions tagged with this topic.
The right lung consists of three lobes, whereas the left lung has two lobes to accommodate the heart. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
The larynx contains the epiglottis, which prevents food from entering the trachea during swallowing.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Organs and Human Respiratory System
The trachea divides into right and left primary bronchi at the level of the 5th thoracic vertebra, making this statement correct.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Organs and Human Respiratory System
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