How do the conjunctiva, lacrimal apparatus, and extrinsiceye muscles aid in the function of the eye?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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How do the conjunctiva, lacrimal apparatus, and extrinsic
eye muscles aid in the function of the eye?

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Step 1

The eye is a sensory organ that allows us to perceive the world around us. It gathers light from our surroundings and turns it into nerve signals. The optic nerve sends these information to the brain, which converts them into a picture and gives us sight.

Step 2

The clear tissue that covers the white area of the eye and the inside of the eyelids is known as the conjunctiva. A healthy conjunctiva is essential for the eye to function effectively because it aids in the creation of a favorable environment for the cornea, which is responsible for focusing the majority of light entering the eye. The lacrimal gland is a tear-shaped bilobed gland whose primary purpose is to secrete the aqueous portion of the tear film and thus keep the ocular surface moist. It is mostly found in the frontal bone's lacrimal fossa, in the front, superotemporal orbit.

 

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