Summary

This document provides details of the respiratory system, including the nose and nasal cavities, pharynx, and trachea, emphasizing their functions and structures.

Full Transcript

Detour : Inside outside 1018 us...

Detour : Inside outside 1018 us body Respiratory system : location : head I chest 2. structure a) nasal efficient breathe nose and cavities more to through the - nose than the mouth i Two nostril) - contains turbinates structures cavity = conchal nasal area bony S lined with ciliated epitheliom mucous rascularized , layer , highly as used humidity to heat and moisten/ air as 15 iS breathed in b) filter of (disease used to air pathogens causing agent) & other foreign / matter debris C) used to aid in offection , to detect Sell - - (throat pharynx 10 cavity 9 connects nasal to trachea s wind. pipe. 3 connects box to larynx (voice 6. traches (wind pipe) i in front of resophagus is diameter than. larger esophagus iii & +issue composed of carriage connective -always open bronchi (bronchos)- branches from airway C. traches , - tree" they form the bronchial : composed of cartilege and connective +issue and ciliated epithelium ii bronchos > left right ii : both bronch contine to branch further into smaller & Smaller bronch : d. bronchioles : smallest branches of bronchi Ismallest air ways in longs is made of smooth muscle (lach cart : legel e. Alveoli (Alveolus) - air Sacs , look like clusters of grapes i located at the end of bronchioles is occurs between in where gas exchange air lings and polmonary capillaries (tissue of body ( iii surfactant detergent (proteins of + layer : thin phospholipid mixture) reduces surface tension & prevents alvea : from collapsing onto themselves - lungs i. division of lungs E R B L. long.. long 3 10 bes 2 loses Superior * * superior * middle * inferior * inferior is enter lobes of the nilom Chia) = depression long through indented and of where region openings an organ vessels nerves enter that and and exit organ

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