List 2 characteristics features and 3 functions of Nervous system.
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The nervous system has 3 main functions: sensory, integration, and motor.
Sensory. The sensory function of the nervous system involves collecting information from sensory receptors that monitor the body's internal and external conditions. ...
Integration. ...
Motor.
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Characteristic feature of the nervous system
- It is made up of numerous nerve cells.
- Nerve cells are excitable and respond to external stimuli.
- Nerve cells show conductivity by transmitting signals from one cell to the other.
- Transmission of signals is through neurotransmitters.
- The brain is the major organ.
- Neurons are of three types, motor neurons, interneurons and sensory neurons.
Functions of Nervous System
- Control of body's internal environment to maintain 'homeostasis' An example of this is the regulation of body temperature.
- Programming of spinal cord reflexes. An example of this is the stretch reflex.
- Memory and learning.
- Voluntary control of movement.
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