11.3С: Growth, development and motion

11.2.3.1 understand that aging is a biological law inherent to all organisms

11.2.3.2 describe how the scientific understanding of aging develops as new data emerges

11.1.6.1 explain the mechanism of muscle contraction by the sliding filament theory

11.1.6.2 establish a relationship between the structure, location and general properties of fast and slow muscle fibres