What is the difference between the matrix of loose connective tissue and dense connective tissue?
1) The matrix of loose connective tissue is empty space, while dense connective tissue has collagen fibers.
2) The matrix of loose connective tissue has collagen fibers, while dense connective tissue is empty space.
3) Both the matrix of loose connective tissue and dense connective tissue are empty space.
4) Both the matrix of loose connective tissue and dense connective tissue have collagen fibers.