There are called Amino Acids.
<span>They are made up of nitrogen bases, sugars, and phosphates.
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B. <span>The thesis statement is the answer to the research question</span>
Answer: (c) skeleton
Explanation: The musculoskeletal system is made up of the body's bones (the skeleton), muscles, cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together.