Concepts. Materials. Subject areas. Time 45 minutes

Transcription

1 Whl invigion os bchd whls r disscd nd xmind o drmin h cus of dh. Whls: Th Insid ory This civiy focuss on informion ghrd during whl sudis. Bchd whls provid opporuniis o lrn bou whl nomy nd physiology. os bchd whls r disscd nd xmind o drmin h cus of dh. Th fin whl usd for his civiy ws on of h fw in which vry orgn ws msurd nd wighd during h disscion. Concps A whl s inrnl nomy is diffrn from ohr mmmls nd is orgns r vry lrg. rils cissors Glu Whl oulin Whl orgn illusrions Tbl of whl prs sizs ubjc rs h Biology Tim 45 minus Procdur Priciping in whl disscion is nx o impossibl for sudns, bu his civiy llows hm o cu nd ps h inrnl orgns of whl ino hir propr posiions in h whl oulin. Ask sudns o plc h orgns ino h whl in h squnc indicd. udns rviw h chr of h sizs of fin whl orgns s hy rl o h siz of 6-foo (182.8 cnimrs) ll, 2-pound (9.7 kilogrms) humn. Cu ou nd dd ch orgn or s of orgns, sysm by sysm, in h ordr givn blow ono h whl illusrion.: Digsiv sysm omch nd insins Livr Excrory sysm Kidny Rproduciv sysm (his spcimn is ml) Tss nd pnis Circulory sysm Hr Rspirory sysm Lungs nd rch Nrvous sysm Brin nd spinl cord Digsiv sysm Th somch of bln whls consiss of hr min comprmns. Th firs nd scond comprmns (forsomch nd min somch) r wid nd cn hold ls 2 gllons nd possibly up o on of krill. Whls hv somch similr o h of cl, dr, nd shp, which lso hv hr somch comprmns. Th insins do no show diffrnc in siz bwn h lrg nd smll insin s in mos ohr mmmls. Th livr is wo-lobd, whrs humns hv four-lobd livr. Th lobs of boh humn nd whl livrs r of unqul siz. Whl livr is sold s food in Jpn. Rspirory sysm Lungs No h h rch lds o h nosrils on h op of h hd. Th lung cpciy of 22-mr (71-foo) fin whl is bou 2, lirs. I sounds lik lo, bu rliv o h fin whl s siz i isn grly diffrn from h of ohr mmmls.

2 Whl invigion Circulory sysm Th hr is four-chmbrd lik h of ohr mmmls. Thr r lf nd righ vnricls nd uricls, pulmonry rry nd vin, nd n or. Among mmmls, h whl hs h wids hr, nd i is slighly flnd nd roundd is px (ip). Th muscl wlls of h vnricls (wo lowr hr chmbrs) of svrl lrg whls hv bn msurd from 7.6 o 12.7 cnimrs (bou 3 5 inchs) in hicknss. Th puls r hs bn simd 6 o 14 bs pr minu, dropping o 4 o 15 bs pr minu whn diving. Excrory sysm Kidnys r locd in h op of h body cviy, on on ch sid of h spinl cord r. Thy r lobuld, which mns hy look lik hug bunch of grps ighly pckd oghr. Tsicls nd ovris Locd nr h kidny rs. Fin whl orgns Th siz of ch inrnl orgn hs bn drmind from n cul disscion of fin whl. Orgns from 22.6-mr (71-foo) fin whl Orgn Wigh in pounds in kilogrms How mny 6-foo, 2-pound humns Brin Kidny Hr Lung pln Pncrs Ey Ovry Ovry + urus omch Insin 2, Tongu 2,77 1, Tss no d Pnis 9 f long 2.7 mrs 2.5 Th firs nd scond somch comprmns cn hold ls 2 gllons nd possibly up o on of krill. Copyrigh 28 orgon nivriy rin l ini h gr Whl 99

3 h g 1 r W h Inrnl nomy of gry whl Blowhol Nris d n p g l R B P T LK D DA P F Liv H L Trch C opyrig h 2 8 o rgon L Lung H Hr F For somch in somch P Pyloric somch DA D Duodnum T Tss B Blddr P Pnis R Rcum Liv Livr Duodnum mpul LK Lobuld kidny p pln Blubbr Diphrgm Cr color ky nd color ch orgn using your ky. nivr iy Illusrion by Lur Huck, wih ssisnc from h Whl usum, Fridy Hrbor, Wshingon ( for full ccss o h sklon s I prchd on lddr in h musum for dy ), Tmr cguir nd h rin mml rnding Nwork ( for disscion ccss ), nd Jn Hoddr ( for sripd dolphin disscion nd knowldg rgrding mrin mmml inrnl nomy ).

4 C opyrig h 2 8 o rgon nivr iy rin udn Worksh Build--whl civiy Cr color ky nd color ch orgn using your ky. Cu ou whl nd orgns nd glu o nw sh of ppr. Drw imgs h r no displyd. B sur o provid ky on your sh. l i n i Liv L h g 11 r W L Lung H Hr F For somch in somch P Pyloric somch D Duodnum T Tss B Blddr P Pnis R Rcum Liv Livr LK Lobuld kidny p pln P T LK H I D P F C E B d n p g

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