What Is the Function of the Iris

question 230

Multiple Choice

What is the function of the iris?

• A) to keep the lens under tension to allow for image focusing
• B) to control the amount of light entering the eye
• C) to focus the image on the retina
• D) to respond to particular colours

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Definitions:

Conception

The process of becoming pregnant involving fertilization or the implantation of an embryo in a female's uterus.

Blastocyst

An early stage of embryonic development, characterized by a spherical shape and consisting of an inner cell mass and an outer layer of cells.

Uterine Cavity

is the internal space of the uterus where a fetus develops during pregnancy.

Implanting

The process of surgically inserting or grafting an object or material into the body.