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Outside Observers May Struggle to Identify Different Roles of Teachers

question 76

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Outside observers may struggle to identify different roles of teachers, student teachers and volunteers


Definitions:

Segmental Contraction

A mechanism of movement in the gastrointestinal tract where segments of intestines alternately contract and relax to mix and propel contents.

Mass Movements

The large-scale movements of the colon responsible for the bulk movement of feces towards the rectum.

Mastication

Process of chewing.

Chemical Digestion

The process by which food is broken down by enzymes and acids in the digestive system into substances the body can use.

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