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प्रश्न
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उत्तर
Structure of Trachea: It is a long thin air tube about 11 cm long and 2.5 cm broad. Its wall is semi-transparent and composed of 4 layers-
- Mucosa
- Submucosa
- Cartilaginous layer
- Adventitia
The trachea in the thoracic region bifurcates into two short tubes called primary bronchi which enters into the lungs.
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संबंधित प्रश्न
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Respiration and Photosynthesis (Gas released)
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Respiration and Breathing (Organs involved)
Put a tick (✓) against the most appropriate alternative in the following statement.
In humans, taken in of the air through nostrils into the nasal cavity is called
Name the gas which is expelled out during expiration. Where is it originally produced in our bodies?
The question has four options. Choose the correct answer:
Sites of gaseous exchange in the lung are
What is respiration?
Into which of the following does the terminal bronchiole end?
Lungs have large number of narrow tubes called
A fluid filled double membranous layer surrounds the lungs. Name it and mention its important function.
Which of the following prevents collapsing of trachea?
