Heroin is obtained from a plant of the family:

Which drug binds to specific receptors present in the central nervous system and the gastrointestinal tract?

Match List $I$ with List $II$.

List $I$	List $II$
$A$. Heroin	$I$. Effect on cardiovascular system
$B$. Marijuana	$II$. Slow down body function
$C$. Cocaine	$III$. Painkiller
$D$. Morphine	$IV$. Interfere with transport of dopamine

Choose the correct answer from the options given below:

The use of nicotine causes:

Select the incorrect statement regarding heroin.

The following symptoms are characteristic of withdrawal syndrome:
$I -$ Anemia $\quad II -$ Anxiety
$III -$ Tremors $\quad IV -$ Nausea
$V -$ Cancer $\quad VI -$ Sweating