Read the following statements carefully: (A) Heroin is a depressant and slows down body functions. (B) Cannabinoids are known for their effects on the cardiovascular system of the body. (C) Cocaine interferes with the transport of the neurotransmitter acetylcholine. (D) Morphine is a very effective sedative and painkiller extracted from Erythroxylum coca. How many of the above statements are correct?

Step-by-step solution

Statement (A) is correct as heroin (commonly called smack) acts as a depressant and slows down body functions. Statement (B) is correct because cannabinoids, generally taken by inhalation and oral ingestion, are known to affect the cardiovascular system of the body. Statement (C) is incorrect because cocaine interferes with the transport of the neurotransmitter dopamine, not acetylcholine. Statement (D) is incorrect because morphine is extracted from the latex of the poppy plant Papaver somniferum, whereas Erythrox