Omprehensive exam 1 dpt - Study guides, Class notes & Summaries

Independent sitting starts around what month 8-9 months Prone with supported elbows start what months of age 2-3 months crawling starts when 6-7 months creeping starts 8-9 months independent sitting starts 7-8 months cruising starts when 10-11 months walking starts 12 months Ectoderm, Mesoderm, and Endoderm give rise to what Ectoderm: Skin, spinal cord, brain, hair, teeth, sensory organs mesoderm: muscle, skeleton, blood, circulatory sy...