Select the correct option:Read the following four statements (i)- (iv) having certain mistakes in two of them.
(i) Adipose tissue is a type of dense connective tissue located beneath the skin
(ii) Compound epithelium has extensive role in absorption and secretion.
(iii) Most of the cartilages in vertebrate embryos are replaced by bones in adults.
(iv) Smooth muscles are 'involuntary' as their functioning cannot be directly controlled.
Which of the above statements have mistakes?