Question

In the following figure of respiratory system organs labelled by 1 and 2 are respectively: *

Captionless Image
(a) Tracheae, Lungs
(b) Lungs, Tracheae
(c) Nasal cavity, Lungs
(d) Lungs, Nasal cavity​

Answer 1

Answer:

option a is correct..

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Answer 2

The Correct solution is Option A, Trachea and Lungs.

• The nose, mouth, throat, voice box, windpipe, and lungs are all components of the respiratory system.
• In most humans, the trachea is also known as the windpipe, is a tube that is about 4 inches long and less than an inch in diameter.
• The trachea extends from just below the larynx (voice box) and there behind the breastbone (sternum).
• After then, the trachea splits into two tiny tubes called bronchi, one for each lung.
• The trachea is made up of roughly 20 strong cartilage rings.
• The lungs are a pair of air-filled, soft organs on either side of the chest.
• The pleura is a thin tissue layer that covers the lungs.
• The inside of the chest cavity is also lined with the same thin tissue.
• With each breath, a small amount of fluid works as a lubricant, helping the lungs to expand and contract easily.
• Through its tubular branches, known as bronchi, the trachea transports breathed air into the lungs.
• After then, the bronchi split into smaller branches called bronchioles.