Define the following: (a) Exocrine gland | Class 11 Biology Chapter Chemical Coordination and Integration, Chemical Coordination and Integration NCERT Solutions

Question: Define the following:
(a) Exocrine gland
(b) Endocrine gland
(c) Hormone
Answer:

(a) Exocrine glands:

Glands that discharge secretions into ducts are known as exocrine glands. Sebaceous gland in the skin, salivary gland in the buccal cavity, etc. are examples of exocrine glands.

(b) Endocrine glands:

Glands that do not discharge their secretions into ducts are known as endocrine glands. Instead, these glands discharge their secretions directly into the blood. Pituitary gland, thyroid gland, adrenal gland, etc. are examples of endocrine glands.

(c) Hormones:

Hormones are chemical messengers that regulate physiological processes in living organisms. They act upon specific cells/tissues/organs which are called target cells/tissues/organs.


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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 1: Define the following: (a) Exocrine gland (b) Endocrine gland (c) Hormone....