Question

multiple choice question which type of cells are fixed, star - shaped cells that secrete protein fibers into the extracellular matrix of connective tissues? macrophages fibroblasts mast cells need help? review these concept resources.

Explanation:

Fibroblasts are fixed, star - shaped cells that secrete protein fibers like collagen into the extracellular matrix of connective tissues. Macrophages are involved in phagocytosis and immune response, and mast cells are related to allergic reactions and release of histamine.

Answer:

B. Fibroblasts