Question

draw labelled diagram of lungs​

Answer 1

Labelled digram of lungs is provided in the attachment.

Lungs:

Lungs are the air filled organs located on side of the thorax. It includes the alveoli, pleura, Bronchiole, bronchus, larynx and lungs.

• They are paired coned shaped organ.
• Lungs allow us to take in fresh air for breathing and respiration.
• Lungs are the part of the respiratory system.
• Alveoli :- They are bubble like structures present inside the lungs.
• The exact location of lungs is just below the rib cage and above the diaphragm.
• The pair of lungs i.e. left lung are right lung are not same in size. Left lung is smaller than right lung.
• Lungs are protected by rib cage that is made up of 12 ribs.

Answer 2

HUMAN LUNGS:

• These are the respiratory organ of our body.

• Air from the environment enters the nose, passes through the pharynx, larynx, trachea, bronchi and subsequently enters the lungs.

• The lung is covered by a double layered membrane named as PLEURA, the outer layer is the parietal pleura and the inner layer is the visceral pleura. Inbetween the layers lies the pleural cavity filled with pleural fluid.

• The medial aspect of the lung has an hilar region through which the bronchi enter after bifurcation.

• The lung parenchyma is filled with acini, alveolar ducts and alveoli. Even the respiratory bronchioles form a part of the parenchyma.

• The lungs are pink at birth, later turn black due to deposition of carbon particles.

• Right lung has 3 lobes, while left lung has 2 lobes.

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