sane work...

breathe .... breathe.... work work work.....

ahh.. breathing = gaseous exchange = respiration? nah... respiration is release of energy from the breakdown of food substances

quick..thank me ..i taught u bio =)

wah...chee-chipmunk's ppt abit useful man.. useful.. so much so that my head is full of ink at the end.. 一头雾水　＝　有墨水　？ nice try chee-chipmunk ;D

yea...and Nah claims that i did not hand in ws 7.4 and 7.5 when i can rmb vividly that i handed in all chem ws... all right..if u really INSIST.. well...

dont blame me if i set up a COPYRIGHTED COPYING CLUB.. 7.4 ..7.5 .. here i come =p

eh..dont get me wrong la..i am jus niaoing ur actions...not u.. =)

there is a distinction..

happy teachers day! =)

now doing chi ppt..

byee...