Question: what are the different stages of physical development?
Answer: 2 Months. Holds head up with support. ... , 4 Months. Holds head steady without support. ... , 6 Months. Rolls over both from stomach to back and from back to stomach. ... , 9 Months. Crawls. ... , 1 Year. Moves into sitting position without support. ... , 18 Months. Walks alone. ... , 2 Years.