THE WORLD THROUGH OUR SENSES

Sensory organ, senses and stimuli

Stimuli – changes that occur in the surroundings.

Example : sound, chemical sunstances and light intensity

Sensory organs – Organs that detect stimuli

Each sensory organ is sensitive to only certain types of stimuli. For example, the eyes are only sensitive to light but not to sound.

Sense – The ability of an organism to detect a stimulus

Human beings have five sensory organs

·         Senses of smell

·         Senses of touch

·         Senses of taste

·         Senses of hearing

·         Senses of sight

 Relation between sensory organ, stimuli, and senses in human beings

Relation between sensory organ, stimuli, and senses in human beings Sensory organ	Stimulus /stimuli detected	Sense
Eyes	Light	Sense of light
Ears	Sound	Sense of hearing
Nose	Smell	Sense of smell
Skin	Touch, pressure, pain, heat and cold	Sense of touch
Tongue	Taste (chemicals in Food)	Sense of taste