1. Nervous System
Ms. Doshi

2. Prayer
Attendance
Homework

3. Sensory Division
Sensory receptors convert stimuli into action potentials.
There are 3 types of sensory receptors in the nervous system:
interoceptors,
proprioceptors
and exteroceptors
Have threshold values for impulse intensity.
When sensory receptors are depolarized, they depolarize sensory neurons that go to the CNS.

4. Interoceptors Interoceptors Receive internal signals Respond to
blood pressure,
blood CO2 concentration,
and body temperature.

5. Proprioceptors Proprioceptors
Transmit information about the spatial orientation of the body. (본체의공간 방향 에 대한 정보 를 전송한다.)
The semicircular canals of the ear are proprioceptors.

6. Exteroceptors Exteroceptors
React to external environment stimuli, such as pressure, light, or heat.
Each receptor is specific for one type of stimulus.
Example: the eye responds to light, but not to heat or sound.
There are exteroceptors in the skin for each type of stimulus: heat, cold, pain, light, touch, and strong pressure.

7. Sensory Receptors Examples: Light receptors Pain receptors
Rods and cones
Pain receptors
Naked nerve endings
Chemoreceptors
Smell receptors and taste buds
Visceral receptors
Body temperature detectors

8. Questions 12