Mark Spitz, who set a standard for Olympic excellence by winning all of his seven events in world-record fashion at the Munich 1972 Games, attended neither the Beijing 2008 Olympics nor the London 2012 Olympics.And heâs not certain he will be at the Rio 2016 Olympics.ark Spitz, who set a standard for Olympic excellence by winning all of his seven events in world-record fashion at the Munich 1972 Games, attended neither the Beijing 2008 Olympics nor the London 2012 Olympics. And heâs not certain he will be at the Rio 2016 Olympics.
The stomach contains hydrochloric acid, which has a pH of generally 1-3.   These optimal pH levels must be present in order for pepsin (a protein-digesting enzyme) to functâ¦ion. If the pH is not acidic, pepsin will only be present in its inactive form, pepsinogen, and protein digestion will effectively occur.   Uhh.. hope that's what you were looking for. The second part is just a bit more detail as to why the pH of stomach is important.
Chemicals In The Digestive System The digestive system has many chemicals but I will start with the stomach. The chemicals inside the stomach are called pepsin, gastric juice, and hydrochloric acid. They have a big part in the digestive system. What they do is to make it easier for your body to use the food as fuel.Then when the stomach gets finished transforming your food into fuel it transfers the food to the small intestine. The small intestines chemicals are called pancreatic juice, intestinal juice, and bile.hemicals In The Digestive System The digestive system has many chemicals but I will start with the stomach. The chemicals inside the stomach are called pepsin, gastric juice, and hydrochloric acid. They have a big part in the digestive system. What they do is to make it easier for your body to use the food as fuel.