12. 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

1 answer

The part of the eye that uses muscle tissue for opening and closing movements is the Iris. The iris contains smooth muscle that controls the size of the pupil, allowing it to adjust to different lighting conditions.