Glandular System Science Notes Class 10

Glandular System

Endocrine and Exocrine System

  • Endorcine System:
    A group of endocrine glands that secret various hormones in the body required for its growth and development is called an endocrine system. Endocrine glands are ductless. They secret their secretions directly into the blood stream.
  • Exocrine System:
    A group of exocrine glands that secret various enzymens in the body is called an exocrine system. Exocrine glands have ducts.

Read Also

Differnitate between endocrine and exocrine system.

Hormone

Hormone, secreted by endocrine gland, is a chemical messenger of a human body that transmits information to various parts of the body to integrate their proper functioning. It carries information and messages that regulate the function of many targeted organs due to which our body functions properly.

Important Endocrine Glands

Pituitary Gland

Pituitary gland is a pea-sized gland located in the brain. It is also called master gland because it directly or indirectly controls the secretion of most of other glands.

Adrenal Gland

Adrenal (renal: relating to kindeys) gland is located on top of each kindeys.

Gonads

Pancreas

Pancreas produces three hormones: glucagon, insulin and somatostatin.

The major function of pancreas is to regulate the blood sugar level by releasing insulin that converts glucose to glycogen. Overall, it decreases the amount of blood sugar level.

Read Also

Why is pancreas called a mixed gland?

Read Also

“Endocrine glands are very important even they are small in size.” Give any two reasons to justify this statement.