1.1  :  The  Sensory  Organs  1.2  :  The  Sense  of  Touch    1.3  :  The  Sense  of  Smell  1.4  :  The  Sense  of  Taste    1.5  :  The  Sense  of  Hearing  1.6  :  The  Sense  of    Sight  1.7  :  Light  &  Sight  1.8  :  Sound  &  Hearing  1.9  :  SDmuli  &  Reponses  in  Plants  

CHAPTER 1 : THE WORLD THROUGH OUR SENSES  

What’s in the picture ?

How many

senses do we have?

Sensory organs are the parts of the body which can detect stimuli and changes in the environment before passing information to the

brain for interpretation and any necessary action

What’s the sensory organ ?

HUMAN NERVOUS SYSTEM

NERVOUS  SYSTEM  

CENTRAL  NERVOUS  SYSTEM  

(Brain  &  Spinal  Cord)  

NERVES  (Sensory  Nerves  &  

Motor  Nerves)  

To detect stimuli & changes in the environment & sending the

information to the brain for interpretation and sending out

instructions to the relevant parts of the body for action to

be taken

What’s the function of nervous system ?

The Summarized Pathway from Stimulus to Response