Appendicitis occurs when the appendix becomes blocked, often by stool, a foreign body, or cancer. Blockage may also occur from infection, since the appendix swells in response to any infection in the body.
A familial generation is a group of living beings constituting a single step in the line of descent from an ancestor. In developed nations the average familial generation length is in the high 20s and has even reached 30 years in some nations.
How Long Is a Generation? By Donn Devine, CG, CGI. We often reckon the passage of time by generations, but just how long is a generation? As a matter of common knowledge, we know that a generation averages about 25 yearsâfrom the birth of a parent to the birth of a childâalthough it varies case by case.