Anatomy And Physiology 101 Final Study Guide Rated A+

Reticular layer {Ans: Accounts for about 80% of the thickness of the dermis. Is course irregularly arrange dense fibrous connective tissue}Types of synapses {Ans: Electrical and chemical}Osteoclasts {Ans: Giant multi nucleated cells located at sides of bone re-sorption. Actively resorb bones}Melanin {Ans: The dark pigment synthesized by melanocytes; responsible for skin color. From reddish yellow to brownish black}Non-polar molecules {Ans: Molecules where electrons are shared evenly, hydrophobic, ex: oils}Major elements present in the human body {Ans: Oxygen(65%), carbon(18.5%), hydrogen(9.5%), nitrogen(3.2%)}