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The coloured ring of muscle at the front of the eye is the:

AIslet
BIris
CInlet
DIngot
Answer & Solution
Correct answer: B. Iris
1. It gives eyes their brown or blue colour. 2. It is a ring of smooth muscle. 3. That is the iris. _Source: OpenStax Anatomy and Physiology 2e, Chapter 14, Special Senses._
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