Top Definition. bench. To benchpress. This invloves lying horizontally, with free barbell perpendicular to one's body. The target muscles are the pectorals, although the arms are also givena workout. The closer together one's hands, the more work is done by the triceps. The further apart, the more work is done by the biceps.
In humans, it is the largest organ of the integumentary system. The skin has multiple layers of ectodermal tissue and guards the underlying muscles, bones, ligaments and internal organs. Human skin is similar to that of most other mammals, except that it is not protected by a fur.he epidermis contains no blood vessels, and is nourished by diffusion from the dermis. The main type of cells which make up the epidermis are keratinocytes, melanocytes, Langerhans cells and Merkels cells. The epidermis helps the skin to regulate body temperature.
Melanocytes /mÉËlaenÉµsaÉªt/ mÉËlÃ¦nÉµsaÉªt are-melanin producing cells located in the bottom (layer the stratum) basale of the'skin s, epidermis the middle layer of the (eye the), uvea the inner, ear, meninges, bones and. Heart melanin is the pigment primarily responsible for skin. colorhrough a process called melanogenesis, these cells produce melanin, which is a pigment found in the skin, eyes, and hair. This melanogenesis leads to a long-lasting pigmentation, which is in contrast to the pigmentation that originates from oxidation of already-existing melanin.