What are cannabinoids from which plant cannabinoids are obtained ? Which part of body is affected by consuming these substances?

Explanation

**Step-by-Step Solution:**

1. **Definition of Cannabinoids**: Cannabinoids are a group of chemical compounds that interact with the body’s endocannabinoid system. They can affect various physiological processes.

2. **Source of Cannabinoids**: The primary source of cannabinoids is the cannabis plant, specifically Cannabis sativa. This plant contains various cannabinoids, the most well-known being THC (tetrahydrocannabinol) and CBD (cannabidiol).

3. **Effects on the Body**: When cannabinoids are consumed, they primarily affect the brain. They interact with cannabinoid receptors (CB1 and CB2) that are part of the endocannabinoid system.

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