Zusammenfassung der Ressource
THE NERVOUS SYSTEM
- SENSE ORGANS
- EYES
- LIGHT RECEPTORS
- CELLS HAVE NUCLEUS, CYTOPLASM
AND CELL MEMBRANE
- SENSITIVE TO LIGHT
- EARS
- SOUND RECEPTORS
- SENSITIVE TO CHANGE IN
POSITIONS
- NOSE
- SMELL RECEPTOR
- SENSITIVE TO CHEMICAL STIMULI
- TONGUE
- TASTE RECEPTORS
- SENSITIVE TO BITTER, SALT, SWEET
AND SOUR
- SKIN
- SENSITIVE TO TOUCH, PRESSURE, PAIN
AND TEMPERATURE CHANGE
- THE CENRAL NERVOUS SYSTEM
- SENSORY NEURONES
- NERVE CELLS CARRY SIGNALS AS
ELECTICAL IMPULSES FROM THE
RECEPTORS IN THR SENSE ORGANS
- RELAY NEURONES
- NERVE CELLS THAT CARRY SIGNALS FROM SENSORY
NEURONES TO MOTOR NEURONES
- MOTOR NEURONES
- NERVE CELLS THE CARRY
SIGNALS FROM THE CNS TO THE
EFFECTOR MUSCLES OR GLANDS
- EFFECTORS
- MUSCLES AND GLANDS ARE EFFECTORS
- THEY RESPOND IN DIFFERENT
WAYS
- MUSCLES CONTRACT IN
RESPONSE TO A NERVOUS
IMPULSE
- GLANDS SECRETE
HORMONES