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…a hummingbird, have a heart beat of more than 1000 times a minute! Arteries in birds carry blood from the heart to organs in the body. Veins return blood to the bird's heart.         A bird's nervous system consists basically of nerves and a brain. Nerves…

…. Inside, Meg feels a steady pulsing that seems to force the beating of her heart to conform to its rhythm. The building contains nothing but the feel of the pulse and a round central dais containing a revoltingly large living brain. Mr. Murry shouts out…

…to be genetic and a chemical imbalance in the brain. Individuals diagnosed must meet specific criteria in order to be diagnosed with this disorder; these include hyperactivity, distractibility, and impulsivity, although these symptoms can be with or without…

…-altering and physical dependence of caffeine that drives the daily self-administration. And the unknown could be especially troublesome for the developing brains of children and adolescents. Logic dictates that when you are dependent on a drug, you are really…

…baby. Alcohol slows down the brain and body and causes loss of coordination, poor judgment and loss of self-control, which could lead to serious accidents involving a car and someone innocent can be injured. I feel that everybody should not do drugs…

…enters the enlarged mouth. Then, with nostrils closed, the air in the mouth is forced into the lungs by contracting the floor of the mouth. The frog has a highly developed nervous system consisting of a brain, spinal chord, and nerves. The medulla regulates…

…this similarity. The scientist is discussed while he is cradling the skull, denying its significance, and more or less leaves no image of this "worthless" possession. It is not until he discusses how "'The skin and the brain, of course are another question,' / He…

…Facts, figures, and equations, Gives my brain invisible abrasions. Higher learning now is needing, Grievers, sadness, flowers, bleeding. To learn a thing unlearned before, so one can skip, leap high, and soar. Your learning is never used, Watching…

…has concluded mobile phones can cause brain damage from the radiation that are emitted from the phone, however this is not true all of the latest phone technology are equipped with a speaker phone which allows the person to hole the phone a long distance…

…motion sick by an appropriate stimulus. The balance center of the inner ear sends information to the brain that conflicts with the visual clues of apparently standing still in the interior cabin of a ship or airplane. Symptoms of Motion sickness: The first…