Question:

Which of the following statements is correct?

Updated On: May 5, 2024

Cornea is convex, transparent layer which is highly vascularised.
Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye.
Cornea is an external, transparent and protective proteinacious covering of the eye-ball.
Cornea consists of dense connective tissue of elastin and can repair itself.

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The Correct Option is B

Solution and Explanation

Cornea consists of dense matrix of collagen, it is the transparent continuation of the sclera, that covers the iris and lens. It protects the eye ball from damage and prevents entry of micro-organisms into the eye

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Concepts Used:

Neural Control and Coordination

Neural System:

Neurons are the most specialised cells in the nervous system of all animals, and they are responsible for detecting, accepting, and conveying numerous types of motives. The neurological system of low-spinal animals like Hydra is incredibly simple, consisting of a network of neurons. When the brain of an insect comprises a vast number of ganglia and neural tissues, it is optimally structured.

Coordination System:

Coordination is the process by which two or more organs work together to accomplish each other's duties. Increased muscle activity increases the supply of oxygen and the demand for energy while we exercise. When we cease exercising, our nerves, heart, lungs, and kidneys all return to normal. As a result, all of the organs' functions are properly integrated in order to conduct the exercise and supply the appropriate conditions while exercising. Similarly, in the human body, the neurological and endocrine systems work together to coordinate all of the organ activities.