The upper surface of the tongue has small projections called _____some of which bear taste buds.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the small projections on the upper surface of the tongue that bear taste buds.

2. **Identifying the Projections**: These small projections are known as "papillae." They are structures that enhance the surface area of the tongue and are involved in the sense of taste.

3. **Types of Papillae**: There are four types of papillae on the tongue:
- **Fungiform Papillae**: Mushroom-shaped and scattered across the tongue, they contain taste buds.
- **Circumvallate Papillae**: Larger and located at the back of the tongue, they also contain taste buds.
- **Foliate Papillae**: Found on the sides of the tongue, these papillae contain taste buds as well.
- **Filiform Papillae**: These do not contain taste buds and are primarily involved in the mechanical aspect of food manipulation.

4. **Conclusion**: The correct answer to the question is "papillae," as they are the small projections on the tongue that bear taste buds.

**Final Answer**: The upper surface of the tongue has small projections called **papillae**, some of which bear taste buds.

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