Carbon dioxide removal (CDR)
Answer:srry, i dont know the answer
When you swallow food, it doesn't just drop down into your stomach. Muscles contract in a wave-like motion to move the food along through the esophagus. This muscle movement is called, peristalsis, or peristaltic waves. These peristaltic waves contract behind the food bolus pushing it along the digestive tract.
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<h2>genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles.</h2>
