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In the carbon cycle, one of the ways in which carbon is returned to the atmosphere is by respiration.
Semicircular Canals
Structures in the inner ear that are part of the vestibular system, helping to maintain balance by sensing head rotation.
Otoliths
Small calcified structures found in the inner ears of vertebrates, important for balance and hearing.
Rod Photoreceptors
Cells in the retina of the eye responsible for vision in low light conditions.
Rhodopsin
Light-absorbing molecule in rod cells and cone cells that contains a pigment and the protein opsin.
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