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CHD 2220 August 27 2015 Development refers to the gradual accumulation and integration of relatively permanent age related changes in biological and psychological systems and through transactions in the environment developmental change is gradual accumulation integration different pieces come together for first forward movement relatively permanent sometimes progression slows down and stops regression development turns around and foes backward Prone position baby on the stomach Supine Position baby on the back Video Nate 2 months Head control hasn t developed completely Grasp reflex 6 months he can roll head control 9 months can sit by himself creeping 2
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