Name the following:
The expulsion of undigested remains of food from the alimentary canal.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes the expulsion of undigested remains of food from the alimentary canal.

2. **Identifying Related Processes**: In the digestive system, there are several key processes:
- **Ingestion**: The process of taking in food.
- **Digestion**: The breakdown of food into smaller, absorbable components.
- **Absorption**: The process where digested food is taken into the body.
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