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(a) (b) • ethmoidal sinus • frontal sinus 1 • maxillary sinus 2 • sphenoidal sinus 3 4

(a) (b) • ethmoidal sinus • frontal sinus 1 • maxillary sinus 2 • sphenoidal sinus 3 4

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Label the 4 paranasal sinuses in Figure

(a) (b) • ethmoidal sinus • frontal sinus 1 • maxillary sinus 2 • sphenoidal sinus 3 4
Transcribed Image Text:(a) (b) • ethmoidal sinus • frontal sinus 1 • maxillary sinus 2 • sphenoidal sinus 3 4
Expert Solution
Step 1

Introduction:

The two anatomical divisions of the respiratory tract are the upper and the lower respiratory tract. The structures of these include:

The upper respiratory tract comprises of the following:

  • Nose
  • Nasal passages
  • Paranasal sinuses
  • Pharynx
  • Region of the larynx superior to the vocal cord.

The lower respiratory tract comprises of the following:

  • Region of the larynx inferior to the vocal cord.
  • Trachea
  • Bronchi
  • Bronchioles
Step 2

Answer:

The labelings of the paranasal sinuses are as follows:

  1. Frontal sinus
  2. Ethmoidal sinus
  3. Sphenoidal sinus
  4. Maxillary sinus
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