respiratory structures respiration: means to ventilate lungs, and exchange gases respiration...

Respiratory Structures Respiratory Structures

Respiration: means to ventilate Respiration: means to ventilate lungs, and exchange gaseslungs, and exchange gases

Respiration system: two parts the Respiration system: two parts the conducting and respiratory divisionconducting and respiratory division

Conduction division: passages that Conduction division: passages that serve only airflowserve only airflow

Respiratory division: consists of Respiratory division: consists of alveoli the gas exchanging regions alveoli the gas exchanging regions

Respiratory StructuresRespiratory Structures

NoseNose: part of the upper respiratory tract, : part of the upper respiratory tract, it warms, cleans, humidifies, amplifies it warms, cleans, humidifies, amplifies voice, and detects odors in the airvoice, and detects odors in the air

Air flow through the nostrils into the nasal Air flow through the nostrils into the nasal cavity which is divided into L and R half by cavity which is divided into L and R half by the nasal septumthe nasal septum

As air enters the nasal cavity it is funneled As air enters the nasal cavity it is funneled into the three fold of the nasal conchae into the three fold of the nasal conchae causing the air to contact the mucosa causing the air to contact the mucosa


PharynxPharynx: a three part muscular tube that : a three part muscular tube that connects mouth and nasal cavity to larynxconnects mouth and nasal cavity to larynx

Nasopharynx: conducts air from nasal Nasopharynx: conducts air from nasal chamber past tonsils to fight air bore chamber past tonsils to fight air bore pathogens, connects with back of mouthpathogens, connects with back of mouth

Oropharynx: back of mouth pass air, food Oropharynx: back of mouth pass air, food Laryngopharynx: connects upper pharynx Laryngopharynx: connects upper pharynx

to the trachea and esophagusto the trachea and esophagus


LarynxLarynx: top of trachea main purpose : top of trachea main purpose is to block food and liquid from lungs. is to block food and liquid from lungs. Also contains the vocal cords Also contains the vocal cords

Epiglottis: a flap of tissue located on Epiglottis: a flap of tissue located on top of the larynx that covers the top of the larynx that covers the trachea during swallowingtrachea during swallowing

Vocal cords: contain vocal ligaments Vocal cords: contain vocal ligaments that vibrate to produce sound when that vibrate to produce sound when air passes over themair passes over them


TracheaTrachea: or windpipe is a ridged : or windpipe is a ridged tube that is supported by C shaped tube that is supported by C shaped rings of cartilage that keep it from rings of cartilage that keep it from collapsing during inhaling, it is often collapsing during inhaling, it is often called the trunk of the bronchial treecalled the trunk of the bronchial tree

Carina: last segment of the trachea Carina: last segment of the trachea where the primary bronchi split where the primary bronchi split


LungLung: area of gas exchange, each : area of gas exchange, each has an apex and a base with the area has an apex and a base with the area against the rib cage called the costal against the rib cage called the costal surfacesurface

R Lung; is the larger of the two with R Lung; is the larger of the two with three lobes: superior, middle, inferiorthree lobes: superior, middle, inferior

L Lung: has cardiac impression and L Lung: has cardiac impression and has only two lobes: superior and has only two lobes: superior and inferiorinferior

Peanut Butter Jelly Time!Peanut Butter Jelly Time!


Bronchial treeBronchial tree: : a series of branches from the a series of branches from the trachea that funnel air to the alveolar sacks trachea that funnel air to the alveolar sacks

As branches get smaller they change names from As branches get smaller they change names from biggest to smallestbiggest to smallest

Primary, Secondary, Tertiary, Bronchioles, Primary, Secondary, Tertiary, Bronchioles, Terminal bronchioles, Respiratory bronchioles, Terminal bronchioles, Respiratory bronchioles, Alveolar ducts, Alveolar sacsAlveolar ducts, Alveolar sacs

Bronchial tree is lined with a mucus producing Bronchial tree is lined with a mucus producing tissue that traps debris and pathogenstissue that traps debris and pathogens


AlveoliAlveoli: are the structures found in : are the structures found in the grape like clusters of the alveoli the grape like clusters of the alveoli sacssacs

Gases are only exchanged in the Gases are only exchanged in the alveolialveoli

The alveoli are coated in pulmonary The alveoli are coated in pulmonary surfactant which keeps the side of surfactant which keeps the side of the alveoli from sticking together the alveoli from sticking together upon exhale upon exhale

respiratory structures respiration: means to ventilate lungs, and exchange gases respiration...

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