Diabetes is a disease of

The correct answer is Pancreas.

Key Points

• The pancreas is a vital organ responsible for producing insulin.
• Insulin regulates blood sugar levels, and its dysfunction leads to diabetes.
• Diabetes is a metabolic disorder caused by insufficient insulin production or improper insulin function.
• The pancreas also plays a role in digestion by releasing digestive enzymes.

Additional Information

• Liver: The liver is the largest internal organ and is responsible for detoxification, bile production, and metabolism of fats, proteins, and carbohydrates. 
• Lungs: The lungs are the primary organs of the respiratory system, responsible for gas exchange (oxygen and carbon dioxide) in the body. 
• Bones: Bones form the skeletal system, providing structure and support to the body.