Stomach. Your stomach helps you the churn up the food using acid
Our stomach is the most acidic area in our body due to gastric juice.
stomach
Carbonic acid is a part of your body's exchange of oxygen and CO2. Carbonic acid will be lethal. See carbonic anhydase and carbonic anhydrase inhibitor.
The organ you are referring to is called the stomach.
Bile is produced in liver
Digestion is the PROCESS of breaking food down so that it can be used by a body. In humans, PART of that process involves an acid in your stomach.
the body of the stomach
Nitrogen is part of DNA as well as being incorporated into every amino acid used by the body.
It is more usually known by its initials 'DNA'. It is part of the genetic system.
Amino acid. You shouldn't cheat...
Esophagus