As a medical expert with a specialization in human anatomy, I have a deep understanding of the structure and function of the human body. When considering the organ with the highest weight, it is essential to take into account the average weight of these organs across the general population. The weight of organs can vary significantly from person to person due to factors such as age, sex, body size, and overall health.

The Liver
The liver is often considered the heaviest internal organ in the human body. It plays a crucial role in digestion and detoxification. The liver's average weight is approximately 1,560 grams, but it can weigh more in individuals with larger body frames or in cases where the liver is enlarged due to certain medical conditions.

The Skin
Interestingly, the skin is not an internal organ but rather the largest organ of the body by surface area. It is composed of multiple layers and has a protective function against environmental factors. The average weight of the skin is around 4,535 grams, making it heavier than most internal organs. However, since the question seems to focus on internal organs, the skin might not be the intended answer.

The Brain
The brain is another vital organ with an average weight of about 1,500 grams. It is responsible for controlling all bodily functions and is housed within the skull for protection.

The Lungs
The lungs, with an average weight of 1,300 grams, are essential for respiration, taking in oxygen and expelling carbon dioxide.

The Heart
The heart, weighing an average of 300 grams, is a muscular organ that pumps blood throughout the body, supplying oxygen and nutrients to the tissues and removing waste products.

The Kidneys
Kidneys, weighing an average of 260 grams for a pair, are vital for filtering waste products from the blood and maintaining electrolyte balance.

The Spleen and Pancreas
The spleen and pancreas are smaller organs with average weights of 175 grams and 70 grams, respectively. The spleen filters blood and is part of the immune system, while the pancreas has both endocrine and exocrine functions, producing hormones and digestive enzymes.

Conclusion
Based on the information provided and the general understanding of human anatomy, the liver is typically considered the heaviest internal organ in the human body, with an average weight of approximately 1,560 grams. It is important to note that organ weights can vary, and the context of the question may also influence the answer. For instance, if considering the entire body, including external structures, the skin would be the heaviest.

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Top 10: What are the heaviest organs in the human body?Skin. Average weight: 4,535g. ... Liver. Average weight: 1,560g. ... Brain. Average weight: 1,500g. ... Lungs. Average weight: 1,300g. ... Heart. Average weight: 300g. ... Kidneys. Average weight: 260g (pair) ... Spleen. Average weight: 175g. ... Pancreas. Average weight: 70g.More items...read more >>