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Voluntary and Involuntary Responses
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Voluntary
Involuntary
Voluntary Responses
- responses from the central nervous system that are consciously activated.
- In other words, this requires you to actively think it for it to happen.
- After thinking about the action, the brain will send a motor impulse to the body part to get it to do that action
- Not all voluntary responses require the same amount of thought
- These responses occur in the various parts of the brain.
Examples of Voluntary Responses
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Any Physical Activity (i.e. walking, running, etc.)
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Examples of Voluntary Responses
Any movement of your arms or legs (i.e. writing, stretching, etc.)
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Thinking/ Focusing on Something
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Movement of your mouth (i.e. talking, eating, singing, etc.)
Involuntary Responses
- responses from the central nervous system that are activated reactively or automatially
- In other words, there is no active thinking required
- These responses primarily occur in the lower parts of the brain, the brain stem, and the spine
- There are two different types of involuntary responses:
- Autonomic Responses
- helps regulates vital functions of the body
- Reflex Responses
- responses to stimuli through the senses
Examples of Autonomic Responses
Responses that help regulate the bodies health
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Heartbeat
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Examples of Autonomic Responses
Breathing
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Digestion
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Mucus Production
Examples of Reflex Responses
Responses that help protect the body
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Flexor Reflexes - Responses in the limbs to discomfort (e.g. knee jerk; removing hand from heat, etc.)
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Examples of Reflex Responses
Puppilary Reflex - Response in the eye dilation due to increases/ decreases in light
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Coughing/ Sneezing - Responses to irritants in the nasal passage or the trachea