More common than testicular cancer is epididymitis, which is inflammation of the epididymis, a tubular structure next to the testicle where sperm mature. About 600,000 men get it each year, most commonly between ages 19 and 35.
Click to read more below. The diaphragm in the respiratory system is the dome-shaped sheet of muscle that separates the chest from the abdomen. It is also referred to the thoracic diaphragm because itâs located in the thoracic cavity, or chest.
The thoracic cavity is separated from the abdominal cavity by the  diaphragm. This is a broad flat muscle.    (muscular) diaphragm The diaphragm is a muscle that separatâ¦e the thoracic from the abdominal cavity. The pelvis is the lowest part of the abdominal cavity and it has no physical separation from it    Diaphragm.