What is the weight of heart of adult human being?

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What is the weight of heart of adult human being? Answer: 300 grams

The average adult human heart weighs about 300 grams — approximately 280–340 g in males and 230–280 g in females. It’s roughly the size of a closed fist and functions as the central organ of the circulatory system, pumping blood throughout the body.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.