Write the source and the effect on the human body of the following drugs:

Write the source and the effect on the human body of the following drugs:
1.Morphine
2.Cocaine
3. Marjiuana.

1.Morphine–Poppy plant/ Papaver somniferum, depressant.
2 .Cocine–Erythroxylum coca, stimulate CNS/ causes euphoria/hallucination.
3.Marjiuana–Cannabis sativa, effects cardiovascular system of the system.