Age of Adolescence - NCERT solutions for class 8 science

The endocrine system is one of the organ systems that cause us to experience all these emotions. In this article for Class 8 science, we will discuss Endocrine system and hormones in detail. You can visit our previous article 8th Class science “Cell its structure, and its function”.

Endocrine System

It is the collection of specialized organs that secrete particular chemical substances called glands. These glands are located at specific places inside our bodies. The chemical substances released by these glands are called hormones. Hormones are released directly into the bloodstream and act as chemical messengers.

The major glands that make up the human endocrine system are pituitary, thyroid, adrenals, pancreas, ovaries, and testes.

Below is the diagrammatic representation of the human endocrine system

The pituitary gland –It is located at the base of the brain. It is called the master gland of the endocrine system because it releases hormones that control the activities of the other endocrine glands.

The adrenal Gland-It is called the gland of emergency because it releases the hormone epinephrine or adrenaline which prepares the body to act when we are stressed or in a dangerous situation. This hormone makes us experience emotional states such as anger and excitement.

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