Young people may try a number of substances, including alcohol, household chemicals (inhalants), prescription and over-the-counter medicines, illegal drugs, and cigarettes. They use alcohol more than any other substance. Marijuana is the illegal drug that young people use most often. Young people use these substances for many of the same reasons that adults doâto relax or feel good. But they may also have other reasons for using substances.
the paramecium uses cilia, which are tiny hair-like structures, for locomotion. on the other hand, amoeba uses pseudopodia, which are extensions of the cell's cytoplasm, to mo â¦ ve.+ 2 others found this useful.hey move with the help of microscopic hair-like structures called cilia, which act like oars to push them through the water. They swim by rotating slowly and changing directions often. If the Paramecium comes upon an obstacle, it stops, swims backwards, and then angles itself forward on a slightly different course.
[edit on Wikidata] The human musculoskeletal system (also known as the locomotor system, and previously the activity system) is an organ system that gives humans the ability to move using their muscular and skeletal systems. The musculoskeletal system provides form, support, stability, and movement to the body. It is made up of the bones of the skeleton, muscles, cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together.