Which one alters thoughts and perceptions without any sensory stimulus?

Drugs that change perceptions without sensory stimulus is

Ingestion of marijuana leads to illusion altering thought, feelings and perceptions . Marijuana is a :

Ingestion of marijuana leads to illusions and alters the thoughts, feeling and perception of a person. Marijunana is a:

Ingestion of marijuana leads to illusions and alters the thoughts, feeling and perception of a person. Marijunana is a:

Ingestion of marijuana leads to illusions and alters the thoughts, feeling and perception of a person. Marijunana is a:

Ingestion of marijuana leads to illusions and alters the thoughts, feelings and perceptions of a person. Marijiuana is a OR Addiction of LSD will eventually leads to

Which is the sensory structure that responds to a specific stimulus?

Which ones are absorbed in the alimentary canal without any breakdown ?

Which ones are absorbed in the alimentary canal without any breakdown ?

Which ones are absorbed in the alimentary canal without any breakdown ?