Respiratory System BIOL 0970
University of Pittsburgh at Johnstown
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This 1 page One Day of Notes was uploaded by Sarah Horne on Friday January 23, 2015. The One Day of Notes belongs to BIOL 0970 at a university taught by Dr. Karen Lee in Fall. Since its upload, it has received 234 views.
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Clutch. So clutch. Thank you sooo much Sarah!!! Thanks so much for your help! Needed it bad lol
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Date Created: 01/23/15
Respiratory System Lecture 1 There are 4 requirements for getting oxygen and C02 They are as follows 1 Ventilation a Inhaling and exhaling 2 External Respiration a The gas exchange between the lungs and the blood 3 Transport a Oxygen is transported throughout the body by blood cells 4 Internal Respiration a The gas exchange between the oxygenated blood and the Ussues There are many parts to the UPPER RESPIRATORY SYSTEM These are the rst 3 1 Nose a Covered in skin b Supported by cartilage and bone c Has openings called nostrils or nares nostrils are covered in hairs and lined with respiratory mucosa 2 Nasal Cavity a Divided into 2 sides right and left divided by the nasal septum b Lined with respiratory mucosa except for the olfactory region c The superior middle and inferior nasal conchae increase the surface area and create a channel which slows down the air d The functions of the nasal cavity are smell ltering particles moisten and warm the air before it enters the rest of the respiratory system 3 Throat Pharynx a Split into three subcategories called the i Nasopharynx ii Laryngopharynx iii Larynx b Contains the auditory tube and the uvula Respiratory Mucosa a pseudostrati ed ciliated columnar epithelium with goblet cells The sol on the bottom moves the gel layer on the top towards the pharynx to be swallowed so the particles trapped in it can be destroyed by the digestive system
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