Antigens Are Substances That Are Generated by the Immune System

question 1

True/False

Antigens are substances that are generated by the immune system and attack invading bacteria and viruses.

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Definitions:

Astigmatism

A common vision condition caused by an irregularly shaped cornea, resulting in blurred or distorted vision.

Fovea

A tiny indent in the eye's retina where vision is the sharpest.

Macula Lutea

A small, yellowish central area of the retina that is rich in cones and where visual acuity (sharpness) is highest.

Optic Disk

The point in the eye where the optic nerve enters the retina, often referred to as the blind spot since it lacks photoreceptors.