today's paper was a bit dficult.
:( what is ingestion lors??
then i rmb still got one
why capilaries de wall only 1 cell thick??
i write bcux de blood pressure not so high :P
LOLS.

me and my stupid ans :X

section C still got another one!
how does HIV infection lead to the full hit of AIDS.
that one i write.. erms...
the white blood cell all being attack by the virus
then nothing to protect the body :S

after maths then no more paper le :DDDD