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From the outside in, the correct order of the layers of the digestive tract is

Nutrition – the absorption of _____ from food

From the outside in, the correct order of the layers of the digestive tract is

Each intestinal villus contains a lymphoid capillary called a

The defecation reflex

All of the following are true of saliva, except

All of the following are true of saliva, except

Which yields more energy: glucose, lipid, protein, or nucleic acid catabolism?

Enzymes of the microvilli are called brush border enzymes.

Trace the pathway of food through the digestive system. [a]->[b]->[c]->[d]->[e]->small intestine->[f]->[g]->toilet bowl