Chief cells ( stomuch) secreate pepsinogen , a inactivae enzyme. And in small intestine it converted into pepsin ,active form. Chief cell also present in parathyroid gland release pth harmone regulates level of calcium, magnesium, HPO4 ions in blood.
The dictionary definition of afternoon is simply the hours between noon and evening. In the United States, the typical workday ends at 5:00 p.m.
There are two main ways to show the time: 24 Hour Clock or AM/PM: 24 Hour Clock: the time is shown as how many hours and minutes since midnight. AM/PM (or 12 Hour Clock): the day is split into: 1  the 12 Hours running from Midnight to Noon (the AM hours), and.