The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)
Responses

Iris
Iris

Sclera
Sclera

Retina
Retina

Cornea

Answers

Answered by GPT-4o mini
The part of the eye that uses muscle tissue for opening and closing movements is the **Iris**. The iris contains smooth muscle fibers that control the size of the pupil, regulating the amount of light that enters the eye.
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