The extraocular muscles must turn each eye inward; the sphincter muscles must work to make the pupil smaller; and the ciliary muscles must contract to allow the lens to change to a shape that will produce a clearer image. Solution: Focus on a distant object to immediately feel your eyes relax.
Its upper body is blue, the belly is silver, and the fins are yellowish-gray. The common amberjack can reach five to six feet (1.5 to 1.8 m) in length and more than 100 pounds (45 kg) in weight. The average weight, however, is 10 to 15 pounds (4.5 to 6.8 kg).
The American Black Bear (Ursus americanus) is a large-bodied, muscular animal that is quite agile. Black bears can run up to 35 miles per hour. New Jersey's adult male black bears, called boars, weigh on average 400 pounds.Their weight can range from 150 pounds to over 600 pounds. Adult females, called sows, weigh on average 175 pounds.Their weight can range from 150 pounds to over 400 pounds. Adult black bears are about 3 feet high when on all four paws and can range from 5 feet to 7 feet tall when standing. Black bears can be many different colors, ranging from brown to black.ENERAL DESCRIPTION. The American Black Bear (Ursus americanus) is a large-bodied, muscular animal that is quite agile. Black bears can run up to 35 miles per hour. New Jersey's adult male black bears, called boars, weigh on average 400 pounds. Their weight can range from 150 pounds to over 600 pounds.