The Colored, Circular Disk of the Eye That Controls the Amount

Q30: The axons of the ganglion cells extend

Q31: The _ is the tube that connects

Q32: Fill in the correct labels for the

Q33: Mechanoreceptors that help us know the position

Q34: Fill in the correct labels for the

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Q38: Chemical substances called _ stimulate chemoreceptors in

Q39: Pain receptors, known as _, respond to

Q40: The "white of the eye" is the