Where are teeth and tongue present in the alimentary canal?

Explanation

**Step-by-Step Text Solution:**

1. **Identify the Location**: The teeth and tongue are located in the alimentary canal, specifically in the buccal cavity, which is also known as the oral cavity.

2. **Understanding the Buccal Cavity**: The buccal cavity is the initial part of the digestive system where the process of digestion begins. It includes the mouth, teeth, and tongue.

3. **Teeth Characteristics**:
- **Heterodont**: This means that humans have different types of teeth, including incisors, canines, premolars, and molars.
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