Which one of the following is a correct match?

Liver cirrhosis is caused by the long-term consumption of:

Which of the following is an opiate narcotic?

What is $L.S.D$?

Nicotine intake stimulates the $...A...$ to release $...B...$ and $...C...$ into blood circulation. This leads to an increase in $...D...$ and an increase in $...E...$. Here $A$ and $E$ refer to:

Morphine, a pain reliever and cough suppressant alkaloid, is obtained from . . . . . . .