While studying the 'Principles of Development' in the context of human development—beyond the 'Proximodistal Trend' and 'Cephalocaudal Trend'—and analyzing other major principles such as 'Individual Differences in Rate of Development' and 'Integration' in depth, which of the following statements most accurately defines the philosophical and scientific nature of these principles?

Human development is a continuous, sequential, and predictable process. Among the various principles of development, the 'Principle of Continuity' states that development is an unceasing process beginning at conception and lasting throughout the lifespan.

Additionally, the 'Principle of Integration' clarifies that a child first learns to operate large or whole body organs, then smaller parts, and finally integrates all those organs and parts to perform a coherent action (for example, first moving the entire arm, then grasping an object with the fingers).