Answer:
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Answer:
They have a camera-type eye which consists of an iris, a circular lens, vitreous cavity (eye gel), pigment cells, and photoreceptor cells that translate light from the light-sensitive retina into nerve signals which travel along the optic nerve to the brain.
Explanation:
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Hello! The correct answer for the blank is: CA2+ from the sarcoplas mic reticulum binds to troponin.
I hope that helped you! c:
