<span>. over a long period of time </span>
Basement membranes are thin, dense sheets of specialized, self- assembled extracellular matrix that surround most animal tissues. The basement membrane is a fibrous matrix composed primarily of glycoproteins, type IV collagen, and laminin that are secreted by the epithelial cells.
The pancreas is connected directly into the small intestines and gallbladder.
Enzymes that are produced by the pancreas are secreted directly into the small
<span>intestine.</span>
They are distinguished by proteins on the erythrocytes.
