Ingestion. 1  The first function of the digestive system is ingestion, or the intake of food. The mouth is responsible for this function, as it is the orifice through which all food enters the body. The mouth and stomach are also responsible for the storage of food as it is waiting to be digested.
Cancer is a leading cause of death around the world and its incidence continues to rise. Each year 12.7 million people discover they have cancer and 7.6 million people die from the disease.However, evidence shows that 30 - 40 percent of these deaths can be prevented, and one-third can be cured through early diagnosis and treatment.ancer is a leading cause of death around the world and its incidence continues to rise. Each year 12.7 million people discover they have cancer and 7.6 million people die from the disease.
How many people usually die from the flu each year? The flu kills about 36,000 people a year in the United States, according to the CDC, though the range varies greatly each year. Most deaths are caused by complications from the flu. Children under 2 years old, adults over 65, pregnant women and American Indians are at a greater risk of suffering from flu complications, according to the CDC.