What Is the Outer Protective Layer of the Eyeball Known

question 38

Multiple Choice

What is the outer protective layer of the eyeball known as?

• A) Cornea
• B) Iris
• C) Pupil
• D) Sclera

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Definitions:

Glossopharyngeal Nerve

The ninth cranial nerve, which is responsible for taste and other functions in the tongue and throat.

Spinal Reflex Arc

A neural pathway that mediates a reflex action involving the spinal cord, consisting of at least one sensory neuron and one motor neuron.

Sensory Neuron

A type of neuron that transmits signals from sensory receptors towards the central nervous system, allowing it to perceive stimuli.

Motor Neuron

A type of neuron responsible for conveying impulses from the brain or spinal cord to muscles or glands, causing them to contract or secrete, respectively.