TOPIC: RECEPTION, RESPONSE AND CO-ORDINATION
SUB TOPIC: STRUCTURE AND FUNCTION OF NERVE CELL
LESSON CONCEPT: CELL BODY, AXON, MYELIN SHEATH, NODES OF RANVIER, SCHWANN CELL, DIRECTION OF IMPULSE
RATIONALE: Organisms are capable of responding to various changes of environment. Nervous system provides the co-ordination ability of organisms. Knowledge on the structure and function of nerve cell shall enable learners understand the co-ordination process behind reception and responce.