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.
What is an appendix and what causes appendicitis? Your appendix is a small, closed tube that is about the size of your finger. It attaches to the beginning of your large intestine, where the small and large intestines meet.