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Biology 21 Online
OpenStudy (anonymous):

1) waves of muscle contractions called ____________, move food through the entire digestive tract. a. homeostasis b. peristalsis c. saliva d. villi

OpenStudy (anonymous):

soory saliva not salivad

OpenStudy (anonymous):

I would say B - peristalsis

OpenStudy (anonymous):

thank you!!...if u have time...could explain it.. thanks!!

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