Which of the following statements is/are not correct regarding connective tissues? (i) They are most abundant and widely distributed in the body of complex animals (ii) They connect and support other tissues (iii) They include diverse tissues such as bones, cartilage, tendons, adipose and other loose connective tissues (iv) They form the internal and external lining of many organs (v) In all connective tissues except blood, the cells secrete fibres of structural proteins like collagen and elastin.