During contraction, the filaments slide past he thick filaments, shortening the sarcomere. The thick and thin filaments do the actual work of a muscle, and the way they do this is pretty cool. Thick filaments are made of a protein called myosin. At the molecular level, a thick filament is a shaft of myosin molecules arranged in a cylinder. Thin filaments are made of another protein called actin. The thin filaments look like two strands of pearls twisted around each other.
c because if they don’t have access to food then how are they going to get food that is healthy
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In early adulthood (ages 20–40), our physical abilities are at their peak, including muscle strength, reaction time, sensory abilities, and cardiac functioning. The aging process also begins during early adulthood and is characterized by changes in skin, vision, and reproductive capability.
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Some government agencies Alisa could have used are Temporary Assistance for Needy Families (TANF), food stamp program (SNAP), she could have got an abortion, or she could have got a grant (state government funding).
Explanation: I really hope this helps.