An 18 month old baby and experiencing the world through senses is in Piaget's sensorimotor stage. The sensorimotor stage is the development of our senses such as, sense of sight, hearing, feeling, tasting and smelling. The sensorimotor stage is developed through 18 to 24 months of age.
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puberty - is the name for the time when your body begins to develop and change as you move from kid to adult.
hormones - Hormones are chemical substances that act like messenger molecules in the body.
gender - Gender is used to describe the characteristics of women and men that are socially constructed,