(p. 152) B. A tissue is a group of similar cells and cell products that arise from the same region of the embryo and work together to perform a specific role. (p. 152) 1. The four primary tissues are epithelial, connective, nervous, and muscular tissue. (Table 5.1) 2. These tissues differ in the types and functions of their cells, the characteristics of the matrix around the cells, and the relative amount of space cells and matrix occupy. 3. The matrix is…
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