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external nares (nostrils)
internal nares The nose leads to the pharynx through this pair of openings creating a pathway for air to reach the lungs
Nasal conchae superior middle inferior Thin scroll-shaped bony structures that force air over a large surface area for rapid warming and filtering
ethmoid Contains 3-18 small air spaces or “cells” inside ethmoid bone
pharynx Throat: extends from internal nares down to the larynx
nasopharynx Posterior to nasal cavity and extends to the plane of the soft palate
oropharynx Posterior to oral cavity and extends from soft palate to the level of the hyoid bone
laryngopharynx Begins at the level of the hyoid bone and connects the esophagus with the larynx (voice box)
Vocal cords False vocal cord True vocal cord
Lower Respiratory Tract
carina One of the most sensitive areas for triggering a cough reflex
respiratory tree Begins at the trachea and ends at the terminal bronchioles Trachea Primary Bronchi Secondary Bronchi Tertiary Bronchi Bronchioles Terminal Bronchioles
secondary (lobar) bronchi
tertiary (segmental) bronchi
Right lung – 3 lobes
Left lung – 2 lobes
RESPIRATORY MUSCLES KNOW the muscle involved in normal and forced ventilation
parietal pleura Outer membrane Contacts ribs
visceral pleura Inner membrane Covers lung Like cellophane
pleural cavity Space between
Lymphatic Model locations of lymph nodes abdominal axillary cervical inguinal pelvic popliteal (not shown) supratrochlear thoracic lymph collecting vessels.
Fig Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Upper respiratory tract External nose Nasal cavity.
RESPIRATORY SYSTEM Chapter 16. COMPONENTS Tubes that filter incoming air Air transported to alveoli (gas exchange)
Respiratory System. Respiratory system structure Upper respiratory system –nose –Pharynx –larynx Upper part Functions: 1.Filtration 2.Warming 3.Moistering.
Nasal cavity Nostril Pharynx Larynx Trachea Left main (primary) bronchus Right main (primary) bronchus Right lung Left lung Diaphragm Nasopharynx Oropharynx.
Exercise 39 Anatomy of the Respiratory System 1. Upper respiratory system structures 2.
RESPIRATORY SYSTEM. Respiratory System Function Air distributor – all parts but Alveoli Gas Exchanger - Alveoli Air Filter - Nose Air warmer –
The Respiratory System. Copyright © 2010 Pearson Education, Inc. Nasal cavity Nostril Oral cavity Pharynx Larynx Trachea Left main (primary) bronchus.
Respiratory System Unit 4. Review What is the difference between Ventilation and Respiration? How are External and Internal Respiration different?
Respiratory System. Upper Respiratory System –Nose –Nasal cavity –Pharynx Lower Respiratory System –Larynx –Trachea –Bronchi –Lungs.
© 2014 Pearson Education, Inc. Figure 21.1 The major respiratory organs in relation to surrounding structures. Nasal cavity Nostril Larynx Trachea Carina.
LUNGS ORAL CAVITY PHARYNX PARANASAL CAVITIES NASAL CAVITY NOSE UPPER RESPIRATORY SYSTEM LOWER RESPIRATORY SYSTEM LARYNX TRACHEA BRONCHI.
Copyright © 2009 Pearson Education, Inc. Figure 10.1 The human respiratory system.
Respiratory System Anatomy Practical [PHL 212]. Function of the Respiratory System Trap irritants / infectious particles Moistens and warms incoming.
The Respiratory System Organs of the Respiratory system Nose Pharynx Larynx Trachea Bronchi Lungs – alveoli Figure 13.1.
© 2015 Pearson Education, Inc. Figure 13.1 The major respiratory organs shown in relation to surrounding structures. Nasal cavity Nostril Larynx Trachea.
Respiratory System Chapter 24. The main function of the respiratory system is to supply oxygen to, & eliminate carbon dioxide from the body In order to.
The Respiratory System Cells produce energy (ATP) For maintenance, growth, defense, and division Krebs's cycle and the electron transport chain use oxygen.
Respiration Pulmonary ventilation (breathing): movement of air into and out of the lungs External respiration: O 2 and CO 2 exchange between the lungs.
Chapter 17 Key Terms 1 AlveoliLarynx TracheaSurfactant RespirationEpiglottis GlottisPleural Cavity InspirationBronchi BronchiolesInternal Respiration Partial.
Respiratory System. The Process of Respiration Respiration includes the following processes: 1.) Ventilation, which moves air into and out of the lungs.
RESPIRATORY SYSTEM. HEALTHY LUNG VS. SMOKERS LUNG https://www.youtube.com/watch?v=yIURbmJZxIg.
Functions of respiratory system mechanisms of breathing the pleura……again pleurisy & pneumothorax CNS control of breathing the nose the pharynx the larynx.
© 2012 Pearson Education, Inc. Pharynx Epiglottis Larynx Trachea Esophagus Sphenoid sinus Frontal sinus Nasal cavity Palate.
Respiratory System-the system for exchanging gases between the atmosphere and the cells of the body 1. Ventilation-movement of air in and out of the lungs;
Respiratory System. Functions of the Respiratory System 1.Pulmonary ventilation – movement of gases into/out of lungs for exchange 2.Gas conditioning.
Human Anatomy, 3rd edition Prentice Hall, © 2001 The Respiratory System Chapter 24.
RESPIRATORY ORGANS It includes: It includes: Nose. Nose. Pharynx. Pharynx. Larynx. Larynx. Trachea. Trachea. Bronchi and bronchioles. Bronchi and bronchioles.
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Respiratory System.
The Respiratory System. System Overview Includes tubes that remove particles from incoming air and transport air in and out of the lungs Microscopic air.
Exercise 36: Pp Refer to Figure 36.1 when studying structures of nose Website with flashcard animation ›
Exercise 36 Anatomy of the Respiratory System. Objectives Respiratory system structuresRespiratory system structures Respiratory system, pulmonary ventilation,
© 2012 Pearson Education, Inc. Organs of the Respiratory System Nose Pharynx Larynx Trachea Bronchi Lungs—alveoli.
Submandibular Gland Sublingual Gland Hard Palate Soft Palate Uvula Fauces Internal Nares Nasopharynx Oropharynx Laryngopharynx Opening of Eustachian Tube.
Respiratory System. Primary Function – Gas Exchange Secondary Functions – Speech – pH regulation of internal environment.
Respiratory Models & Histology Lab Book Page 339.
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings CELLULAR RESPIRATION.
The Respiratory System JEOPARDY AirheadExtraordinairyBreathtakingOut of Breath ♫ Take My Breath Away♪ Final Jeopardy! #1 #2 #3Final Jeopardy! #1 #2 #3.
Respiratory System. Main Function Gas Exchange –To work closely with the cardiovascular system to supply the body with oxygen and to dispose of carbon.
1 Lab Exercise 24 Anatomy of the Respiratory System Portland Community College BI 233.
The Respiratory System Cells continually use O2 & release CO2 Respiratory system designed for gas exchange Cardiovascular system transports gases in blood.
THE RESPIRATORY SYSTEM Chapter 17. Introduction Organs: nose, pharynx, larynx, trachea, bronchi, lungs Respiration: exchange of O 2 / CO 2 between atmosphere,
Respiratory System. CATS Respiratory system on cat: –Diaphragm –Visceral pleura –Trachea –Pharynx (Back of throat) –Larynx –Bronchus.
The Respiratory System. There is the Upper respiratory tract and Lower respiratory tract What organs do you think are in each tract? Come up and list.
1 RESPIRATORY SYSTEM (for nursing students) NOSE,PARANASAL SINUSES,LARYNX,PHARYNX &LUNGS By Prof. Ansari wed pm.
The respiratory system I Functional Anatomy. Respiratory Stems The organs of the respiratory system include the nose, pharynx, trachea, bronchi and their.
Unit II: Transport Respiratory System Chapter 20 pp
The Respiratory System Basic functions of the respiratory system Breathing (Pulmonary Ventilation) – movement of air in and out of the lungs Inhalation.
Explain the gross anatomy and functions of the respiratory system. Discuss the structure and functions of the upper and lower respiratory tracts in detail,
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