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Final answer:The correct statement aboutconnective tissuesis that not all connective tissue types have fibers.Explanation:Connective tissuesare a diverse group of tissues that play a crucial role in the human body. They are made up of variouscell types, including fibroblasts, adipocytes, and immune cells. These cells are not closely packed together but are separated by anextracellular matrix, which is a gel-like substance composed of proteins and carbohydrates.The extracellular matrix providessupportand structure to the connective tissues. It gives them their strength and flexibility. The matrix also containsfibers, such as collagen and elastin, which further enhance the tissue's strength and elasticity.Contrary to option c), connective tissues do contain an extracellular matrix. This matrix is essential for the proper functioning of connective tissues.Option d) is correct. Not all connective tissue types have fibers. While some connective tissues, like tendons and ligaments, are rich in fibers, others, like adipose tissue, have fewer fibers.Option e) is incorrect. Connective tissue cells do play a role in supporting and nourishing other cells in the body, but they do not specifically support andnourishbrain cells. The functions of connective tissues are more general and widespread throughout the body.Learn more aboutconnective tissueshere:brainly.com/question/29213991#SPJ14...