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[quote uid=merrylarry pid=1891] 5ai) hard drug is a scary substance with a high potential for abuse, death, or severe addiction. 5aii) i)Cocaine ii)Methamphetamine 5b) i) An underlying mental disorder, like schizophrenia, depression or generalized anxiety ii)A low sense of self-worth combined with a tendency to respond to peer pressure iii)Exposure to high levels of stress from personal, professional or financial sources iv)Exposure to an environment where drug use is accepted and drugs are readily available v)High blood pressure vi)Learning and memory problems ================================== 6ai) Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell. 6bi) i)Muscles are primarily responsible for maintaining and changing posture ii)Muscles are used locomotion [/quote]