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.
In the United States, afternoon is generally the time between noon and 5:00 p.m., and evening is considered anything after 5:00 p.m. There is no set allocation for afternoon and evening, however.
Answer by Kyle Storminator. Confidence votes 239. Taking into consideration that we all know that morning and afternoon are both separated at exactly 12:00 PM and that the whole day has 24 hours (almost 24 but the difference is already accumulated every 4 years on february).