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Vitamins are not digested because

they can be absorbed as they are

Digestion is

Breakdown of food into absorvable forms

Ingestion is

intake of solid food or liquid

Enzymes are needed in digestion for

low temperature reactions

Amylase acts on


Products of starch digestion


Pepsin acts on


Pepsin products are


Amylase is secreted from

saliva and pancreas

Lipase' substrate is


Product(s) of lipid digestion is/are

glycerol +fatty acids

Absorption is

entry into bloodstream

Assimilation is

entry of into liver (cell)

Lipase works best at pH


Stomach is for

storage, digestion , churning

Small intestines are for

digestion absorption

Large intestines are for

absorption of water

Egestion is

removal of undigested material

Human digestion is extra /intracellular


We cannot digest plastic because

we have no enzymes for plastics

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