In these regions within twenty years many countries will face a situation where the largest population cohort will be those over 65 and average age approach 50 years old. The Oxford Institute of Ageing is an institution looking at global population ageing.
The appendix is attached to one end of your large intestine, it is a narrow tube-shaped sac. It is about the size of your longest finger. About 3 in. (7.6 cm) long and 1/4 in. to 1 in. (.64-2.54 cm) thick. The appendix is attached to one end of your large intestine, it is a narrow tube-shaped sac. It is about the size of your longest finger.   About 3 in. (7.6 cm) long and 1/4 in. to 1 in. (.64-2.54 cm) thick.
The Human Body Systems and Organs. In human anatomy, the appendix is a blind-ended tube connected to the cecum (or caecum), from which it develops embryologically. The cecum is a pouchlike structure of the colon. The appendix is located near the junction of the small intestine and the large intestine. The appendix averages 10 cm in length, but can range from 2 to 20 cm. The diameter of the appendix is usually between 7 and 8 mm.