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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
Give suitable explanation for the following :
Why does gaseous exchange continue in the lungs even during expiration?
Given alongside is a diagrammatic sketch of a kind of part in human lungs.
Name the parts numbered 1-4
Given alongside is a diagrammatic sketch of a kind of part in human lungs.
What do the arrows 5 and 6 indicate?
Explain the process of Cellular Respiration.
Complete the following statement by choosing the correct alternative from those given below.
Tidal volume is ______.
Give the functions of the following:
Cartilaginous rings
Identify the CORRECT term for the following description:
The maximum amount of air that can be breathed out after a maximum inspiration.
Carefully study the diagram of the human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and /or characteristic.
What is the length of the Alimentary canal?
