Read the following Assertion and Reason and choose the correct option. Assertion: Opioids, cannabinoids, and coca alkaloids are commonly abused drugs. Reason: These drugs are primarily obtained from natural sources like flowering plants and fungi.

Step-by-step solution

Cannabinoids are a group of chemicals (Figure 7.9), which interact with cannabinoid receptors present principally in the brain. Natural cannabinoids are obtained from the inflorescences of the plant Cannabis sativa (Figure 7.10). The flower tops, leaves and the resin of cannabis plant are used in various combinations to produce marijuana, hashish, charas and ganja. Generally taken by inhalation and oral ingestion, these are known for their effects on cardiovascular system of the body.