Q1. Describe the stages of postnatal growth in humans.
- Infancy (0-1 year): Rapid physical growth, motor skill development (cephalocaudal, proximodistal), basic trust formation.
- Early Childhood (1-6 years): Slower steady growth, explosive language development, refined motor skills, imaginative play.
- Middle Childhood (6-12 years): Consistent moderate growth, concrete operational thought, increased importance of peer relationships.
- Adolescence (12-18/20 years): Puberty, rapid growth spurt, identity formation, abstract reasoning abilities.
Answer: Postnatal growth refers to the continuous and dynamic process of physical and psychosocial development that occurs from birth until the end of life. It encompasses significant changes in body size, proportion, physiological function, cognitive abilities, and social-emotional capacities. This intricate journey is influenced by a complex interplay of genetic predispositions, nutritional intake, environmental stimuli, and cultural factors. **1. Infancy (Birth to 1 year)** This initial stage is m...