The central circular aperture of _______ is called ______ .

Options

A. iris, pupil
B. pupil, iris
C. retina, iris
D. none of these

Answer

**Step-by-Step Solution:**

1. **Identify the Components:**
- We need to identify the parts of the eye involved in the question. The two main components are the iris and the pupil.

2. **Define the Terms:**
- The **iris** is the colored part of the eye that surrounds the pupil.
- The **pupil** is the central circular aperture that allows light to enter the eye.

3. **Establish the Relationship:**
- The question asks for the relationship between the iris and the pupil. Specifically, it asks for the central circular aperture of a specific part.

4. **Fill in the Blanks:**
- The central circular aperture of the **iris** is called the **pupil**.

5. **Final Answer:**
- The central circular aperture of the **iris** is called the **pupil**.

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