Digestive Processes (contd.)
Absorption – the transport of digestive endproducts into the
blood or lymph.
Exfoliation – the shedding of mucosal lining cells.
Defecation – elimination of waste containing bacteria,
exfoliated cells, and undigested materials.
Digestion
   physical digestion – breaks down food mass exposing
food to enzymes
   chemical digestion – enzymatic hydrolysis which breaks
complex molecules into their subunits.