given the following structures:(1.Larynx 2.Nasal cavity 3.Pharynx 4.Trachea)which of the following is the correct order that air would flow during inhalation?
A.1,2,3,4
B.2,1,3,4
C.2,3,1,4
D.4,2,3,1
Answers
Answer:
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Answer:
The correct order in which the air would flow during inhalation is nasal cavity > pharynx > larynx > trachea.
Nasal cavity:
The nasal cavity is the hollow area inside the nose. The bone that makes up the roof of the mouth is above the nasal cavity, which slopes downward at the rear to connect to the throat. It is split into two parts known as the nasal passageways. During breathing, air passes via these channels. Before the air enters the lungs, the nasal passages filter, warm, and moisten it. They also contain unique cells that play a role in smell perception.
Pharynx:
A tube made of skeletal muscle and lined with mucous membrane that is contiguous with that of the nasal cavities is the pharynx. The nasopharynx, oropharynx, and laryngopharynx are the three principal divisions of the pharynx.
Larynx:
The larynx, which joins the pharynx and the trachea and aids in controlling the amount of air that enters and exits the lungs, is a cartilaginous structure inferior to the laryngopharynx. Numerous cartilage fragments combine to produce the larynx's structure. The thyroid cartilage (anterior), epiglottis (superior), and cricoid cartilage (inferior) are three substantial sections of cartilage that together make up the larynx's main structure.
Trachea:
From the larynx, the trachea (windpipe) extends to the lungs. Hyaline cartilage in the shape of 16–20 stacked C-shaped segments makes up the trachea. The components are joined by thick connective tissue. The pseudostratified ciliated columnar epithelium that lines the trachea and is contiguous with the larynx. The trachea is posteriorly bounded by the esophagus.
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