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प्रश्न
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
Given alongside is a diagrammatic sketch of a kind of part in human lungs.
What do the arrows 5 and 6 indicate?
What are the functions of the following in breathing?
Diaphragm
What are the functions of the following in breathing?
Abdominal muscles
Fill in the blanks.
The respiration is of two types _________ and _________
Fill in the blank.
Bronchi divide into smaller tubes called _________.
Arrange the following organs in the correct order to show the path of air.
trachea, nose, bronchioles, bronchi, larynx, alveoli, pharynx, lungs
Differentiate between
bronchi and alveoli.
Find the odd one out. Give a reason for your choice.
ureter, kidney, urinary bladder, lung, urethra
Define cutaneous respiration
What happens to Oxygen after it enters the lungs?
Define the following:
Sneeze Reflex
The question has four options. Choose the correct answer:
During respiration, the diaphragm
Answer the following question.
A student observed that the cockroaches are killed for dissection by simply putting them in soap water. He inquired whether soap is so poisonous. Teacher said it is due to its peculiar respiratory system. How?
The part where the exchange of gases occurs during respiration is:
A biochemical compound that readily combines with oxygen and distributes it throughout the human body is ____________.
What is the primary organ of the respiratory system?
The pulmonary artery carries blood from the lungs to the left atrium.
The right lung is divided into______.
