control and coordination
CONTROL AND CO-ORDINATION Living organisms respond to various stimuli like heat, light, cold, touch, pressure etc. Example : Withdrawal of hand on touching a hot object. Control and Coordination in Animals It is brought about in all animals with the help of two main systems (a) Nervous System (b) Endocrine System Nervous System : Consists of Brain,Spinal network and a huge network of nerves. Functions (i) To receive the information from environment (ii) To receive the information from various body parts. (Stimuli Response) (iii) To act accordingly through muscles and glands. Stimulus : Any change in environment to which the organisms respond is called stimulus. E.g., touching a hot plate. Response : The reaction of our body to a stimulus. E.g. withdrawal of our hand on touching hot plate. Coordination– The working together of various organs of the body of an organism in a proper manner to produce appropriate reaction to a stimulus is c