Homeostasis means keeping a constant internal environment. It is carried out around the whole body. Homeostasis reaches from every cell up to whole organs and systems.
Heart disease is the leading cause of death for both men and women in the US and also the leading cause of death worldwide. More than half of the deaths that occur as a result of heart disease are in men. Heart disease is the leading cause of death in the US with around 611,105 deaths each year. Heart disease is a term used to describe several conditions, many of which are related to plaque buildup in the walls of the arteries. Other types of heart problems include angina, arrhythmias and heart failure.
In the United States traumatic brain injury (TBI) is a leading cause of death for persons under age 45. TBI occurs every 15 seconds. Approximately 5 million Americans currently suffer some form of TBI disability. The leading causes of TBI are motorvehicle accidents, falls, and sports injuries. While the brain is by far the most complex object on earth, it is soft and vulnerable with a consistency of firm pudding.