The pancreas belongs to the endocrine and digestive systems—with most of its cells (more than 90%) working on the digestive side. However, the pancreas performs the vital duty of producing hormones—most notably insulin—to maintain the balance of blood glucose (sugar) and salt in the body.

Understanding Insulin Production
Insulin is a crucial hormone that plays a significant role in regulating blood sugar levels in the body. However, it is important to clarify where this hormone is produced.
Insulin Production Location
- Insulin is produced by the pancreas, not the pituitary gland.
- The pancreas contains specialized cells called beta cells that are responsible for synthesizing and releasing insulin.
Role of the Pituitary Gland
- The pituitary gland, often referred to as the "master gland," is responsible for producing various hormones that regulate other glands in the endocrine system.
- It releases hormones such as growth hormone, thyroid-stimulating hormone, and adrenocorticotropic hormone, but it does not produce insulin.
Importance of Insulin
- Insulin is essential for glucose metabolism, allowing cells to take in glucose from the bloodstream.
- It helps in maintaining stable blood sugar levels, which is vital for overall health.
Conclusion
In summary, the correct answer to the question is option 'B'—insulin is produced by the pancreas, not the pituitary gland. Understanding the roles of various glands in the endocrine system is fundamental in biology and contributes to a better comprehension of how hormones affect bodily functions.

Insulin is produced by the gland pancreas.