Human body of different cavities, separated areas which house different organ systems. The brain and central nervous system reside in an area protected from the rest of the body by the blood brain barrier. The lungs sit in the pleural cavity. The intestines, liver, and spleen sit in the abdominal cavity Height, weight, shape and other body proportions vary individually and with age and sex. Body shape is influenced by the distribution of muscle and fat tissue. Human physiology is the study of how the human body functions. This includes the mechanical, physical, bioelectrical, and biochemical functions of humans in good health,
The Body Silent experience muscle spasms in his anus, and in his lower abdomen in 1972, and soon had trouble urinating. He was then diagnosed with an anal fissure, meaning of a slight break in the muscle. After a few years of symptoms, he visited a neurologist and was diagnosed with a benign but slowly growing tumor in the upper part of his spinal cord. Within two years his central nervous system was severely damaged, and lost control of most bodily functions. In 1987, the book was awarded the Columbia University's Lionel Trilling Award. The Body Silent The Body Silent is a personal