Also called the hidden web and deepnet, the deep web is where search engines have not indexed the information, and so âinvisibleâ to the mainstream public. 2.
The Integumentary system is an organ that consist of the skin, its derivatives (sweat and oil glands), nails and hair. The basic function of the skin is protection. The skin consists of epidermis and dermis. Cells: consists of keratinocytes, melanocytes, Merkel cells and Langerhans cells.
THE SKIN AS AN ORGAN The skin (integument) is the largest organ of the body, and to-gether with its accessory organs (hair, glands, and nails), it consti-tutes the integumentary system. In certain areas of the body, ithas adaptive modifications that accommodate protective or meta-bolic functions.ynthesis The integumentary system synthesizes melanin and keratin, whichremain in the skin synthesis of vitamin D, which is used elsewherein the body and begins in the skin with activation of a precursormolecule by UV light.