1. The Senses

2. SIGHT HEARING SMELL TASTE TOUCH
Introduction: Senses of the Body
SIGHT
HEARING
SMELL
TASTE
TOUCH
EQUILIBRIUM

3. Senses of the Body
The senses of the body rely on specialized receptors that allow them to respond to stimuli.
There are three different types of receptors.
Chemoreceptors
Photoreceptors
Mechanoreceptors
Detect chemical stimuli
Detect light
stimuli
Detect touch or movement
stimuli

4. Senses of the Body
The senses of the body rely on specialized receptors that allow them to respond to stimuli.
There are three different types of receptors.
Chemoreceptors
Photoreceptors
Mechanoreceptors
Example:
taste bud
Detect chemical stimuli
Detect light
stimuli
Example:
rods & cones
Detect touch or movement
stimuli
Example:
hair cells

5. Receptors in Senses of the Body
Sense / Organ
Receptor
Type
Stimulus
Sight (eye)
Rods & cones
Photoreceptor
Light
Hearing (ear)
Hair cells
Mechanoreceptor
Vibrations
Nose (smell)
Olfactory cells
Chemoreceptor
Chemicals in air
Tongue (taste)
Taste buds
Chemicals in food
Skin (touch)
Pacinian corpuscles
Pressure
Equilibrium (ear)
Maculae & Cristae
Deflection

6. The 6 different cortexes are shown in the following diagram.
Sensory Cortexes in the Brain
All stimuli received by the different receptors mentioned is carried along sensory neurons to a specific area of the brain.
The sensory cortex refers to the multiple areas of the brain where senses are received and are processed. There are six in total.
The 6 different cortexes are shown in the following diagram.

7. Sensory Cortexes in the Brain

8. Any Questions?