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When a person is startled there is often an involuntary reaction of a twitch or small jerking movement. Eyes also blink involuntarily when something suddenly approaches them. Many other actions such as gasping, laughing, or yawning, can happen involuntarily.

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16y ago

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What is involuntary movements?

involuntary movements are move that we can't controlled except for the movement of the heart lungs etc. examples are like blinking we can't control blinking so that is considered an involuntary movement.


What are examples of involuntary muscle?

Examples of this are your heart and lungs. You cant control your heartbeat and your lungs are considered involuntary because it does not require additional energy to breath, its your body's NATURAL instinct. Any movement or process your body does naturally is considered involuntary by the way :) Hope this helped!


What is the Involuntary muscle of lungs?

The diaphragm because breathing is an involuntary movement.


Is yawning a voluntary or involuntary muscle movement?

Type your answer here... involuntary


Can you control your heart?

No, its an involuntary movement


What are some examples of voluntary and involuntary muscle groups?

Well, an example of involuntary is your esophagus or intestines. We were taught that digestion is an involuntary process, so I am sorry but I do not know of any voluntary muscle examples.


What part of the brain is responsible for involuntary movement?

The Cerebellum


Does the use of marijuana cause involuntary foot movement?

No. No it does not.


What is a six letter word for involuntary movement?

reflex


What is the difference between the voluntary and the involuntary muscle movement?

A voluntary muscle performs movement on command. Involuntary muscle performs with out conscious command.


Why are involuntary muscle cells called involuntary?

Involuntary muscle cells are called involuntary because they contract without conscious control. This means that they work automatically in response to stimuli from the nervous system or hormones, without us having to think about or actively control their movement. Examples include smooth muscle in the walls of internal organs.


What type of hypokinetic movement is freezing?

Freezing: inability to begin a movement or involuntary stopping of a movement before it is completed