Chapter 18.1 Review

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Ingestion, the process of chewing, is performed by the teeth.

The process of digestion starts in the stomach.

Saliva lubricates food, making it easier to swallow.

Material in chyme that is not absorbed in the small intestine moves to the large intestine.

The expulsion of undigested food or body wastes is ___________________.

The liver excretes __________________ , a fluid important in breaking down fats.

When you swallow, food enters the trachea.

In the stomach, food is mixed together with _________________ to produce chyme.