RespiratorySystem

• Overseesgasexchangesbetweenthe___________________________and________________________

environment

• Exchangeofgassestakesplacewithinthelungsinthealveoli

• Passagewaystothelungs_________________________,___________________________,and

____________________________theincomingair

Whatistheroleoftheseptum?

Listtwofunctionsofthenose?

Thesinuseswillhelp_____________________________theskull,actas________________________chambersfor

speechandwillproduce__________________________.

Thepharynxisthe__________________________pathwayfromthenasalcavitytothelarynx.

Thelarynxwillroute___________and

_______________intotheproper

channelsaswellasplayarolein

______________________________.Thereare

________hyalinecartilagesandaspoon

shapeflapofcartilageknownasthe

___________________________.

Thethyroidcartilageinmalesformthe____________________apple.

Howdothevocalcordswork?

Thetracheaconnectsthe

__________________________with

___________________________andislined

with_________________________mucosa

thatbeatcontinuouslyinthe

______________________directionof

incomingair.Mucousloadedwith

_______________andotherdebriscanbe

expelledfromtherespiratorysystem.

Theprimarybronchiaredivisionsofthe_______________________

andwillbranchintosmallertubescalled

_____________________________.

Thelungsoccupymostofthe________________________cavity.The

apexisnearthe________________________andthebaserestsonthe

_______________________.

Eachlungisdividedintolobes,theleftlunghas______lobes

whiletherightas______.

The________________________aresmall

branchesofthebronchiandmostoftheare

reinforcedwith__________________.Theywill

terminateinairsacscalled_______________.

The__________________________areverythinandsmallsacsthatareincontactwith

___________________________________wheregas__________________________takesplace.

Oxygenwill_________________________thebloodand_______willenterthealveoli.

Airmovesintointoandoutofthelungsduetopressurechanges.Thiswilltakeplaceintwophases:

_____________________-flowofairintothelungs

_____________________-airleavingthelungs

Thethoraciccavityincreaseswhenthediaphragmandintercostalmuscles___________________.

______________________islargely_____________________asthemuscles__________________________andairis

pushedout.

List5non-respiratoryairmovements

Normalbreathingmovesabout_________mlofairwitheachbreath.Factorsthatmayaffectthatarea

persons____________________,______________,____________or_______________________________.About

___________mlofairwillremaininthelungsafterexhalation.

Inspiratoryreservevolumeistheamountofairthatcanbetakeninforciblyoverthe

_____________________________andisbetween___________and____________ml

Expiratoryreservevolumeistheairthatcanforciblyexhaledfromthelungsandisabout__________

ml.

Vitalcapacityisthetotalamountofexchangeableair.Deadspacevolumeistheairthatremainsin

theconductingzonethatneverreachesthe________________andisabout_______ml.

Whatcandoctorsusetocheckrespiratorysounds?

DevelopmentalAspects

Lungsarefilledwith______________inthefetusandarenotfullyinflateduntilabout_____weeksafter

birth.

Respirationratesvarythroughoutlife.Newbornsare_________to________perminute,

Infantsareabout________.Byage5,_______respirationsandadultsrangefor______to______per

minute.

Whathappenstorespirationrateasapersongetsintotheirgoldenyears(oldage)

RespiratorySystemWorksheet 1. Listthestructuresbelowintheorderinwhichairpassesthroughthemasittravelsfromthenosetothelungs.

2. Writethewordfromtheboxonthelinethatisbeingdescribed.diaphragm pharynx exhalation

alveoli trachea palate bronchioles

a. smallestrespiratorypassagewaysinthelungs ______________________

b.separatesmouthfromnose ______________________

c.windpipe ______________________

d.locationwheregasexchangetakesplace ______________________

e.bothairandfoodpassthroughthis ______________________

f.Themovementofairoutofthelungs ______________________

g.Themainmuscleinvolvedininhalation ______________________

3. Arrangethesestatementsintherightordertodescribeprocessofinhalation.

____ Airisdrawnintothelungs

____ Airpressureinthechestcavitydecreases

____ Lungsexpand

____ Thediaphragmcontractsandflattens

____ Themusclesbetweentheribscontracttomovetheribsupandout

4. Addthefollowinglabelstothediagramofthelungalveolus,belowshowingtheexchangeofgasesthattakeplacethere.

• alveolus(singular)• highconcentrationCO2• highconcentrationO2• movementofO2• movementofCO2

RespiratorySystemDiagram

12

Writethenameoftheorgan/structurenexttothenumber

thenusethecolorcode.

1 7

2 8

3 9

4 10

5 11

6 12

Fillintheblankwiththeappropriatevocabularywordorwords(severalexamplesrequireashortphrase).Termsmaybeusedmorethanonce

1.Thetracheabranchesintotwo_____________________.

2.Airsacsattheendofbronchioles_____________________.

3.Mainorgansortherespiratorysystem_____________________________________________________

__________________________________________________________________________________________________

4.Totalamountofexchangeableairthatcanbemovedintoandoutoftherespiratory

system______________________________.

5.Subdivisionsofthebronchi_____________________.

6.Structureintherespiratorysystemlocatedinthethroatbehindthemouth_______________________.

7.Actionduringwhichairispulledintothelungs__________________________.

8.Elasticfoldsoftissuelocatedinsidethelarynxusedtomakesounds__________________________.

9.Largeflatmuscleresponsibleforinhalationandexhalation______________________________.

10.Structurereferredtoasthevoicebox______________________________.

11.Actionduringwhichairispushedoutofthelungs____________________________.

12.Passagewaybetweenlarynxandlungs__________________________________.

13.Red-coloredproteinthatcarriesoxygenandisfoundinredbloodcells____________________.

14.Stickymaterialthattrapsdirtandotherparticles________________________.

15.Threefactorsthatmayaffecttheamountofairistakenineachbreath

_________________________________________________________________________________________.

16.Microscopicareawheregasexchangetakesplace_______________________________.

17.Thoraciccavityincreasesvolumewhenthismusclecontracts_____________________________.

18.Flatofcartilagethatallowstheairwaytoclosewhenfoodisswallowed___________________________.

19.Medicalprofessionalsusethistolistentobreathsounds____________________________.