Hormones are chemicals secreted and regulated by the endocrine system. true or false.

True

Reason -

Endocrine system is composed of several glands that produces and secretes hormones. Hormones are chemical substance that regulate the functioning of cells and organs of  a body.  

They are also referred as chemical messenger as they transfer information between the cells to coordinate the functions of different parts of the body. Some of the common glands of the endocrine system and the hormones released by them are – hypothalamus & pituitary (Insulin like growth factor-I (IGF-I) homroes), thyroid & parathyroids (Thyroid hormones T4, T3 hormones), and the reproductive organs (Estrogen or testosterone hormones)

Hormones are chemicals secreted and regulated by the endocrine system this statement is true.

Further Explanation:

The different glands altogether make up the endocrine system. They secrete chemical substances called hormones. these hormones control the functioning and metabolism of organs and cell of a body. These hormones also control the development of secondary organs and growth of an individual. They secrete hormone into the bloodstream which reaches the target site. To coordinate the function of the body they transfer the information from one cell to another cell. In plants mainly endocrine system is present to transfer the the  from one cell to another cell.

The endocrine system includes several glands:

The pancreas and reproductive organs are also a part of endocrine system. They secrete hormone-like insulin, testosterone, and estrogen. The endocrine system is regulated by the feedback mechanism. Hormone levels can be affected by fluid, stress and presence of hormone already in blood.

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Answer Details:

Grade: Senior School

Subject: Biology

Chapter: Endocrine system

Keywords:

Pituitary gland, adrenal gland, hormone, parathyroid gland, thyroid gland, hypothalamus, endocrine system, chemical substance.

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