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.
The data on cancer mortality displayed on Worldometers is based on the latest statistics published by the World Health Organization (WHO). In 2005, 7.6 million people died of cancer out of 58 million deaths worldwide. Based on projections , cancer deaths will continue to rise with an estimated 9 million people dying from cancer in 2015, and 11.4 million dying in 2030. References and useful links Cancer - World Health Organization (WHO) - Statistics by the World Health Organization