Matrix of cartilage contains _____ and of bone _______ protein.

Explanation

To answer the question, "Matrix of cartilage contains _____ and of bone _______ protein," we will break it down step by step.

### Step-by-Step Solution:

1. **Understanding Cartilage Matrix**:
- The matrix of cartilage is primarily composed of specialized cells known as chondrocytes.
- Additionally, the matrix contains substances like glycosaminoglycans and proteoglycans, which help in providing structure and cushioning.

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