This is a realistic red heart, shaped like a peach
🍑, with arteries connected to the heart.
🫀 generally means the organ heart or heart surgery. It is similar to this emoji
❤️, but ❤️ refers to emotions like affaction and love, while 🫀 refers to the heart organ in the physiological sense. Related emoji:
🧠🫁💘💓💗💞💕💝