Coordination in animals <br />Nervous Coordination <br />Elements of Nervous system <br />1. Neurons <br />2. Receptors <br />They detect changes in the environment of the animal <br />Classification of Receptors <br />a) Chemoreceptor <br />b) Mechanoreceptor <br />c) Photoreceptor <br />d) Thermoreceptor <br />e) Nociceptor <br />3. Effectors <br />Coordination and Control <br />Chapter No.17 <br />Biology <br />Part 2
