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This 4 page One Day of Notes was uploaded by Carly Blanchett on Wednesday January 21, 2015. The One Day of Notes belongs to KIN216 at Michigan State University taught by Dr. Learman in Fall. Since its upload, it has received 139 views. For similar materials see Anatomy (Respiration) in Kinesiology at Michigan State University.
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Date Created: 01/21/15
RESPIRATION inspiration expiration MOUTH 0 Structures palate anterior hard maxillapalatine bones posterior soft musclesglands NOSE 0 Structures I External frontal nasal maxillary hyaline cartilage 0 Function I Provides airway I Moistenswarms air I Filters air I Aids in speech I Olfactory receptors NASAL CAVITY 0 Structures I Posteriorly continuous with posterior nasal apertures I Nasal conchae forms grooves I Mucous membranes olfactory and respiratory o Olfactory smell receptors 0 Respiratory lines majority of cavity I Nasal septum divides cavities 0 Function I Air enters in nostrils I Grooves help trap substances I Mucous helps trap debris Rhinitis in ammation PARANASAL SINUSES 0 Structures I Frontal sphenoid ethmoid and maxillary bones I Lined by mucosa 0 Function I Drains in to nasal cavity Sinusitis in ammation caused by viral bacterial or fungal infection PHARYNX o Throat 0 Structure I Funnel shaped I Connects nasal cavity and mouth to larynx superiorly and to esophagus inferiorly I Extends from base of skull at 6th cervical vertebrae I Skeletal muscle 9 varies in mucosal lining o NASOPHARYNX I Air passageway I Location Posterior to nasal cavity I Structures Uvula hangs from soft palate preventing food from getting in the nose Pharyngeal tonsils destroy pathogens located posterior wall of nasal cavity 0 OROPHARYNX I Location posterior to oral cavity I Structure Fauces entryway Soft palate 9 epiglottis Epithelial lining changes to stratified squamous Palatine tonsils posterior walls Lingual tonsils at base of tongue 0 LARYNGOPHARYNX I Location Inferior to oropharynx posterior to larynx Continuous with esophagus and larynx LARYNX 0 Location I Anterior neck level of C4C6 I Attaches superiorly to hyoid bone I Inferiorly continuous with trachea 0 Structure I 9 separate cartilages Unpaired o Epiglottis closes glottis opening between larynx esophagus during swallowing o Thyroid cartilage adams apple 0 Circoid cartilage connects thyroid to trachea Paired o Arytenoid anchor vocal chords 0 Corniculate o Cuneiform I TOP TO BOTTOM cuneiform corniculate arytenoid I Vocal chords true mucosal folds containing vocal ligaments 0 Function voice box Valsalva maneuver forcing air against closed glottis TRACHEA 0 Location I Descends from larynx to mediastinum 0 Structure I Rigid 45quot long 1 wide I 1620 rings of hyaline cartilage joined by fibroelastic CT which makes it exible but will not collapse during breathing I When open posterior portion has trachealis muscle allows esophagus to expand during swallowing I Inner lining is mucous membrane and CT I Carnia cartilage plate where trachea splits in to primary bronchi 0 Function windpipe BRONCHI AND BRONCHIAL 0 Structure bronchial tree system of respiratory passages that branches in to lungs I BRONCHI Conducting zone 1 Main bronchi RL o Branches off trachea 0 Runs obliquely through mediastinum in to hilus of lung 0 Right side wider shorter and more vertical 2 Secondary bronchi o 3 on right 0 2 on left 0 Supply each lobe of the lung 3 Tertiary bronchi o divide repeatedly into smaller bronchi Bronchioles o Tubes smaller than 1mm in diameter 0 Changes in tissue composition I Supportive CT changes Cartilage rings replaced by plates as main bronchi enter the lungs Cartilage ceases to exist at bronchioles I Epithelial tissue changes Pseudostratified 9 simple columnar 9 simple cuboidal Cilia disappears I Smooth muscle gains importance Begins at trachea to bronchi and bronchioles to form helical bands Muscle bands widen with sympathetic imput and constrict with parasympathetic imput Air tubes contract during asthma attack Thins as it reaches end NOT present in alveoli Respiratory zone Respiratorybronchioles 0 Branch from terminal bronchioles o Alveoli protrude Alveolar ducts 0 Straight ducts with protruding alveoli PLEURAE Alveolar sacs o Cluster of alveoli o Atrium opening from duct to sac Alveolus o 0 Location function Coverings linings of lungs and pleural cavity 0 Structure Serous membrane Parietal pleural attached to chest wall and thoracic surface of diaphragm Pleural cavity space between pleurae Contains serous uid Serous membranes are touching each other and stick lungs to thoracic wall Lungs collapse if there is air in here Visceral pleura attached to outer surface of lung Pleurisy in ammation LUNGS 0 Structure Spongy and light Mediastinum between lungs where heart is located Hilus depression on medial surface through which root blood vessels bronchi lymph vessels nerves enter exit LEFT LUNG Smaller Cardiac notch 2 lobes divided by oblique fissure RIGHT LUNG Larger 3 lobes divided by oblique and horizontal fissures