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No. They are involuntary and involved in the reflex action in response to light intensity (i.e. high light intensity - pupil constricts, low light intensity - pupil dilates) which is an involuntary response to stimuli (hence why it's considered a reflex action).
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoYes they are involuntary. In order to prevent damage occurring to the retina through excess exposure to light it is necessary that the pupil aperture can alter in diameter almost instantaneously in response to different light conditions.
Wiki User
∙ 13y agoInvoluntary. You can't willingly dilate or constrict your pupil.
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How are voluntary and involuntary muscles alike?
involuntary muscles can't control consciously, but voluntary muscles can.
How are voluntary muscles from involuntary muscles?
Voluntary muscles are the ones you can control with your mind and the involuntary ones you cannot control, they do their jobs automantically.
What is voluntary trade?
Voluntary muscles are what you have control over. Like your skeletal muscle are usually voluntary. Involuntary muscles are what you have no control of. Like your smooth and cardiac muscles you have no control of. The difference between voluntary and involuntary muscles are voluntary muscles you have control of and involuntary you have no control of. Hope this answered your question.
Smooth muscles under involuntary control?
yes. Smooth muscles are another name for involuntary muscles.
Muscles that you connot control movement of are muscles?
Involuntary muscles
Which muscles are voluntary and which muscles are involuntary?
Voluntary muscles are skeletal muscles (under somatic control) and involuntary muscles involve the heart, smooth muscles and anything under autonomic control.
What are volontary muscles for?
Voluntary muscles are the muscles that we control to make it move unlike involuntary muscle, they control thereselves we can't control them.:)))))))))))))))))))))))))))))))):((((((((Voluntary muscles are the muscles that we control to make it move unlike involuntary muscle, they control thereselves we can't control them.:)))))))))))))))))))))))))))))))):((((((((
Are heart muscles are under your control?
No, they are involuntary muscles, and will keep operating with out our control.
Are heart muscles under your control?
No, they are involuntary muscles, and will keep operating with out our control.
What parts of the brain control your voluntary and involuntary muscles?
The brainstem controls the involuntary muscles and the cerebellum controls the voluntary muscles.
Are the lungs voluntary or involuntary muscles?
The cardiac or heart muscles are involuntary.They are stimulated and regulated by the involuntary nervous system.InvoluntoryIt is involuntary, which means it's automatic and you can't control it.
What are the group of muscles you don't have control over?
Involuntary muscles.
