Name the part of the respiratory tract that is composed of a single layered epithelial tissue
Answers
Upper respiratory tract
Details of upper respiratory tract.
The upper respiratory tract, can refer to the parts of the respiratory system lying above the sternal angle (outside of the thorax),[1] above the vocal folds, or above the cricoid cartilage.[2][3] The larynx is sometimes included in both the upper and lower airways.[4] The larynx is also called the voice box and has the associated cartilage that produces sound. The tract consists of the nasal cavity and paranasal sinuses, the pharynx (nasopharynx, oropharynx and laryngopharynx) and sometimes includes the larynx.
Lower respiratory tract
The lower respiratory tract or lower airway is derived from the developing foregut and consists of the trachea, bronchi (primary, secondary and tertiary), bronchioles (including terminal and respiratory), and lungs (including alveoli). It also sometimes includes the larynx.
The lower respiratory tract is also called the respiratory tree or tracheobronchial tree, to describe the branching structure of airways supplying air to the lungs, and includes the trachea, bronchi and bronchioles.
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