ࡱ> 352g mbjbjVV 0r<r<m<<<<<PPPP \$P7 [[[$!$:<[[[[[<<["<<[Vr@6gd}   07 x$$66L$< [[[[[[[[[[7 [[[[$[[[[[[[[[ : SNC 2D Unit#4 Biology Video 1: What is Cancer? What are 4 main types of Cancer? Sarcomas: originate in muscle, fibrous tissue or fat (soft tissue) OR bone and cartilage Leukemia: cancer of the blood cells Lymphomas: lymphatic system Carcinomas: arise in the bodys organs (most common) Where does cancer begin? In the bodys cells Specific proteins at specific points called CHECKPOINTS control cells activities during division. These proteins send messages to the nucleus and the nucleus tells the cell to divide or not! The cell will remain in interphase if: Surrounding cells are signaling NOT to divide There is a shortage of nutrients Shortage of food DNA has not bee replicated or is damaged Cancer = the CHECKPOINTS have failed Uncontrolled, unregulated growth and division occurs Cells no longer stay in interphase the normal amount of time What is a benign tumor? Mass of cells caused by the uncontrolled growth and division that forms a lump Not cancerous May cause health problems and can be removed, but normally are not life threatening. What is a malignant tumor? Are cancerous Interferes with the function of the neighboring cells and tissues May destroy surrounding tissues What is a metastasis? When cancer cells break away from the original or primary tumor and move elsewhere in the body If they settle in another area of the body they can cause a secondary tumor to form How do genes affect the occurrence of cancer? Mutations Errors in DNA replication Cancer cells can occur if a mutation happens in the DNA that controls cell division Cells with start to reproduce uncontrollably until all of the nutrients are exhausted Video 2: Risk factors What % does heredity play in the diagnosis of cancer? 10% Breast cancer, some forms of colon cancer May make you more likely to get cancer, but doesnt guarantee you will What are some preventable risk factors? Sun tanning Smoking Unhealthy eating Little-no exercise *** Other Environmental factors include: Radiation Hazardous chemicals (asbestos, benzene) Viruses HPV, Hepatitis B What are some myths for developing cancer? Deodorant Microwaves It is contagious 01R# ; < V W o " = " # w x tw~BkEmhMLXh&YB>* h]KPh&YBh]KPh&YB>*h,bh&YB>* hGTh&YB h&YB>*hGTh&YB>*hGTh&YB5 h&YB5h&YBht)01R" # < P  6 d  V W o gd&YB & Fgd&YBgd&YB & Fgd&YB & Fgd&YB$a$gd&YBo ! " = K # w x tuvwxyzh^hgd&YBgd&YB & Fgd&YB & Fgd&YBgd&YB & Fgd&YBz{|}~BCkw & Fgd&YBh^hgd&YBgd&YB & Fgd&YB & Fgd&YBh^hgd&YBEOZklmgd&YBgd&YB & Fgd&YB & Fgd&YB.:p&YB/ =!7"7#7$S% j  OJPJQJ_HmH nH sH tH @`@ )bNormalCJ_HaJmH sH tH DA D Default Paragraph FontRiR Table Normal4 l4a (k ( No List X@X GT Colorful List - Accent 1 ^m$PK![Content_Types].xmlN0EH-J@%ǎǢ|ș$زULTB l,3;rØJB+$G]7O٭V$ !)O^rC$y@/yH*񄴽)޵߻UDb`}"qۋJחX^)I`nEp)liV[]1M<OP6r=zgbIguSebORD۫qu gZo~ٺlAplxpT0+[}`jzAV2Fi@qv֬5\|ʜ̭NleXdsjcs7f W+Ն7`g ȘJj|h(KD- dXiJ؇(x$( :;˹! I_TS 1?E??ZBΪmU/?~xY'y5g&΋/ɋ>GMGeD3Vq%'#q$8K)fw9:ĵ x}rxwr:\TZaG*y8IjbRc|XŻǿI u3KGnD1NIBs RuK>V.EL+M2#'fi ~V vl{u8zH *:(W☕ ~JTe\O*tHGHY}KNP*ݾ˦TѼ9/#A7qZ$*c?qUnwN%Oi4 =3N)cbJ uV4(Tn 7_?m-ٛ{UBwznʜ"Z xJZp; {/<P;,)''KQk5qpN8KGbe Sd̛\17 pa>SR! 3K4'+rzQ TTIIvt]Kc⫲K#v5+|D~O@%\w_nN[L9KqgVhn R!y+Un;*&/HrT >>\ t=.Tġ S; Z~!P9giCڧ!# B,;X=ۻ,I2UWV9$lk=Aj;{AP79|s*Y;̠[MCۿhf]o{oY=1kyVV5E8Vk+֜\80X4D)!!?*|fv u"xA@T_q64)kڬuV7 t '%;i9s9x,ڎ-45xd8?ǘd/Y|t &LILJ`& -Gt/PK! ѐ'theme/theme/_rels/themeManager.xml.relsM 0wooӺ&݈Э5 6?$Q ,.aic21h:qm@RN;d`o7gK(M&$R(.1r'JЊT8V"AȻHu}|$b{P8g/]QAsم(#L[PK-![Content_Types].xmlPK-!֧6 0_rels/.relsPK-!kytheme/theme/themeManager.xmlPK-!0C)theme/theme/theme1.xmlPK-! ѐ' theme/theme/_rels/themeManager.xml.relsPK] mm o zm 8@0(  B S  ?Z_`jooa0uV8Q'c!^`o() ^`hH. pL^p`LhH. @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PL^P`LhH.^`o() ^`hH. pL^p`LhH. @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PL^P`LhH.^`OJPJQJ^Jo(-^`OJQJo(hHop^p`OJQJo(hH@ ^@ `OJQJo(hH^`OJQJo(hHo^`OJQJo(hH^`OJQJo(hH^`OJQJo(hHoP^P`OJQJo(hHaV'c                  jd        +;y R!U2gux1Uy R*$phLucgux}}[}5Vph=C?YK}[}TphAl|phed?Y$?Y2D&}[}(K)o/DC *}[}r*Q&+yB@o61+*zB8r*!:*z+>r*IBy Ro/DyMphy RRy R.n>Uy R%LNUo/Dc;jWph?Ys[r*@a}[}~Igphph mr*yB@ogux*zw{yB@o