Cells and muscles
The roles that various nutrients have in maintaining health.
Taking food from the surrounding environment and excreting its waste back into that environment.
Making energy by breaking down these organic nutrients and making new molecules from them.
Maltase (also called Glucoamylase)
Lactase (also called Beta-galactosidase)
Removal of excess fluids from body tissues.
Absorption of fatty acids and subsequent transport of fat, chyle, and fat-soluble vitamins to the circulatory system.
Production of immune cells (such as leucocytes and antibody producing cells called plasma cells)
Transport lymph fluid from cells to the circulatory system.
Here's an interesting quiz for you.