There is more than one source of digestive enzymes that break down food. These include the salivary glands, stomach, pancreas and the small intestine.
Lysosome. Which fails to produce the enzyme lactase. (source : medical forum)
Digestive enzymes are produced by the pancreas and salivary glands in the body. Once produced, they are secreted into the gastrointestinal tract to help break down food particles into smaller molecules that can be absorbed by the body.
It is a primary source.
A picture can indeed be a primary source.
it is a primary source
It is a primary source because it was taken at the time.
yes,a coin is a primary source
Primary Source
The pancreas is a source of several enzymes
A letter is a primary source.
A primary source is an eyewitness account to an event.