The term intrinsic means essential in nature. They are necessary and needed.
intrinsic eye muscles are controlled by the autonomic nervous system
The definition of special properties are the unique features of a substance. They are commonly derived from other intrinsic and extrinsic properties.
The iris and the ciliary muscle
there are cordes and arteries that atach to the eye
The intrinsic nature or indispensable quality of something, esp. something abstract, that determines its character.
the work it can do in virtue of its actual condition, without any supply of energy from without.
By definition, ALL arteries carry Oxygen rich blood. Veins carry oxygen depleted blood.
The eye is nourished much like other body parts, from blood by way of arteries. These arteries enter the back of the eye from further back in the skull. They deliver the bulk of the eye's needs. Some of the oxygen requirement for the very frontmost structures of the eye, however, is directly derived from absorption of oxygen through the tear film on the front of the eye.
the eye is the weakest part of a storm
The definition of "merits" is something's or someone's intrinsic values that are deemed worthy and good. For example, rewards and promotions are often based on a person's merits.
Transportation arteries are roads that are built to handle a high amount of vehicles. Most freeways or highways are ideal vehicle arteries because they are built to accommodate a steady and heavy flow of commuters.
The thickening and hardening of the walls of the arteries, occurring typically in old age.