Dental Which of the following statements is false about anatomy of skin? A Dermal collagen 1 and 3 are in a ratio of 8:1 in dermis B Skin weighs about 15 % of body weight C Epidermis is derived from ectoderm and dermis from mesoderm D 90% of cells in the epidermis are keratinocytes π‘ Explanation Which of the following statements is false about anatomy of skin? β Correct Answer: A. Dermal collagen 1 and 3 are in a ratio of 8:1 in dermis