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Anatomy of the Respiratory System: Key Structures and Functions

School
Northern Virginia Community College**We aren't endorsed by this school
Course
BIO 142
Subject
Biology
Date
Dec 11, 2024
Pages
2
Uploaded by SargentRat3968
Unit 25: The Anatomy of the Respiratory System Worksheet 1. Use the list of terms provided and place the letter from the accompanying figure next to the correct structure of the respiratory system. ' _‘__ bronchi _C_ diaphragm _B_ right lung _e__ pharynx ,D_ nasal cavity _L trachea _j-_ bronchiole _fi_ alveoli _E lower respiratory tract __A_ left lung _E'_ larynx _Q\_ upper respiratory tract 2. Trace the pathway of oxygen as it enters the body via the anterior nares and travels to an alveolus. anterior nares !flg Sn,Q C(N “\ > N Q&].LCD_CM - nasopharynx 2 fl_op_a%w;_ _Ln_&magmgm_ Lagynx > \!:ACLM. -)prlmafybronchi-) 0Secan a baL-) -) terminal bronchioles - _H&ealu_drzf_ _fl_mgm.s_-) alveolus Scanned with /& CamScanner’;
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3. Match each of the following respiratory organs with its correct description. _é:__ a. bronchiole 7 is a common passageway for respiratory and digestive systems _1_ b. left lung A forms part of the respiratory membrane __ < alveolus /A" consists of two lobes j__ d. bronchus AT s composed of nine cartilaginous structures 3_ e. larynx _S~is innervated by the phrenic nerve _i f. diaphragm A leads into an alveolar duct 1 e pharynx /T’ is divided into passageways called meatuses _3—_ h. nasal cavity /8’ consists of three lobes _g_ i. rightlung Srbranches from the trachea 4. Fill in the blanks with the appropriate term(s). i '\' Nne a. Afacial bone that contains sinuses l JQ SQ ‘ZhQ"yfl X b. The most superior part of the pharynx [2 L (mma‘ j O.’(lfi a c. Blood vessel that carries deoxygenated blood to lungs (O pal) d. Prime mover of inspiration ’5"1 o1 (Z Qar; /lb%t Major supporting cartilage of the larynx 1) y:) /o #’S f. Laryngeal cartilage composed of elastic cartilage UV a g. Extension of the soft palate that prevents food from entering the nasopharynx \J es\ ib\d&( ;o \J—S h. False vocal cords A lveo\ax $0cS i. Grapelike clusters of alveoli \J\’ N cgc& E! (XN (- j. Structure that covers the surface of each lung 5. Briefly describe the function of each of the following cell types a. Type | alveolar cell AL~ y A o ) L b. Type Il alveolar cell,gg cten 15 ,Q‘ m.k P A W |
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