Q1 Define the Following

• (a) Exocrine gland
• (b) Endocrine gland
• (c) Hormone

Answer:

(a) Exocrine gland

An exocrine gland secretes its products, such as enzymes, hormones, or mucous, into ducts, that carry the secretions to specific target areas.Examples of exocrine glands include sweat glands, salivary glands, sebaceous glands (oil glands), and mammary glands.

(b) Endocrine gland

An endocrine gland secrets hormones directly into the bloodstream, through which it is  transported to the target cell or organ throughout the body. Examples of endocrine glands in include the pituitary gland, thyroid gland, parathyroid glands, adrenal glands, pancreas, gonads (ovaries and testes), pineal gland.

(c) Hormone

Hormones are non-nutrient chemicals which act as intercellular messengers and are produced in trace amounts either by the glands or specialized cells in the body. They regulate various physiological processes and bodily functions.

NCERT Solutions for class 11 Chapter 19 Chemical Coordination and Integration: The chapter on Chemical Coordination and Integration is important for students approaching the home exams. This article introduces NCERT solutions designed to help students explain the concepts of further learning and how to write to get good grades on exams. The solutions are presented in very simple language for ease of understanding.

NCERT CBSE Chapter 19 Chemical Coordination and Integration of Class 11 explains that there are special chemicals that act like hormones and release chemicals which regulate the metabolism, growth, and development of our organs and endocrine glands. The human endocrine system, mechanism of action of hormones, and their role are important for various functions of the body. Revise the basic concepts of Chemical Coordination and Integration for quick revision and class notes.