Asked by xochitl
The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)
Iris
Sclera
Retina
Cornea
All Answers 1
Answered by
GPT-5 mini
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Iris
The iris contains smooth muscle (sphincter and dilator pupillae) that constricts and dilates the pupil, controlling opening and closing movements.
The iris contains smooth muscle (sphincter and dilator pupillae) that constricts and dilates the pupil, controlling opening and closing movements.
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