Examlex
The majority of U.S.adults and adolescents diagnosed with HIV infection in 2011 resided in metropolitan areas with populations of 500,000 or more.
Muscle Cells
Specialized cells that contract and relax to produce movement in the body, also known as myocytes.
First-Class Lever
A lever system where the fulcrum is situated between the effort and the load, allowing for force multiplication or change of direction.
Scissors
A tool consisting of two pivoting blades crossed at a pivot point, used for cutting paper, cloth, and other materials.
Multimotor Unit Recruitment
The physiological process where the number of active motor units within a muscle increases to enhance the strength of muscle contraction.
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Q104: The modified radical mastectomy is the most