The organ most commonly associated with love is the heart.
The Heart's Role in Love
So integrated is the link between love and the heart that we often don't question its significance in romantic emotions. Across numerous cultures, the heart holds symbolic weight representing love, compassion, and emotional core. Source: ANU Reporter, "At the heart of romance: why a vital organ is linked to love," Feb 14, 2023 This association is deeply ingrained in language and cultural expressions. While the brain plays a crucial role in processing emotions and experiences of love, the heart's symbolic connection with love endures.
However, it's important to acknowledge that love is a complex experience involving multiple bodily systems and psychological factors. The brain, particularly the limbic system and prefrontal cortex, also play significant roles in our capacity to feel love. Source: Quora, "Which body parts do we use to love: Heart or Brain?" Jul 6, 2016 Furthermore, cultural interpretations of love vary. For instance, some cultures have associated the liver with love as well. Source: Reddit, "Words for human organs being used as terms of endearment," Jan 14, 2023
While the heart isn't literally the organ "used" to love in a biological sense, its powerful cultural and metaphorical association makes it the most frequently cited answer.
