The stomach normally secretes acid that is essential in the digestive process and this helps in the breaking down of food during digestion. Acidity is responsible for ulcer, dyspepsia, heartburn and the formulation of the ulcer. One way to experiment on how the acid is neutralized is by using vinegar and starch.
Eukaryote cells have a nucleus of course , and also you’ll see that its larger and has a cell membrane .
Silicates is the answer to this.
The immune system helps fight off infections and foreign invaders