Hogzilla SG Digestion is a complex process which is controlled by several factors. pH plays a crucial role in a normally functioning digestive tract. In the mouth, pharynx, and esophagus, pH is typically about 6.8, a very weak acid. Taken from: http://en.wikipedia.org/wiki/Digestion#Significance_of_pH_in_digestion
Hogzilla SG dun worry, me bio C5. All things I learnt, are not from teacher, it's from all the documentaries and wiki.
FireIce SG double sci oredi almost killed me......so neber considered triple sci.......... but know a bit here and there for GK........
Hogzilla SG I take combine science and Bio. My combine Science sometimes can own people one. But bio hor, except sexology, I sorta CMI at others.
Hogzilla SG I think if I become P-member har, I will label myself as "Crap King" Today I crapped 100++ le.