[Solved] The type of lipoprotein associated with "bad" cholesterol and the production of atherosclerotic changes in blood vessels is: A) HDL. B) LDL. C) VHDL. D) none of the above. Lever: A simple machine consisting of a rigid bar that pivots around a fixed point, known as the fulcrum, used to amplify force. Ratchet Wheels: Gears featuring teeth that engage with a pawl or similar device, allowing rotation in one direction while preventing it in the opposite, used in various mechanical devices. Transmit Motion: The process of transferring movement from one part of a mechanical system to another, often involving gears, belts, or cam mechanisms. Reciprocating Motion: A type of movement where an object or part moves back and forth along a straight line, as seen in pistons and pumps.