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The Colored Part of the Eye Which Contains Muscles to Contract

question 143

Multiple Choice

The colored part of the eye which contains muscles to contract or expand the pupil is the __________.


Definitions:

Multiple Sclerosis

A chronic autoimmune condition that affects the central nervous system, leading to various neurological symptoms.

Neural Impulse

The electrical signal that travels along the neuron's axon to communicate with other neurons or muscles.

Hindbrain

The posterior part of the brain comprising structures such as the cerebellum and medulla oblongata, involved in vital functions like heartbeat and breathing.

Breathing

The physiological process of inhaling and exhaling air to facilitate gas exchange within the respiratory system.

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