psych

the field in which psychologists study how people grow and change throughout the life span

automatic and sequential process of development that results from genetic signals

a stage or point in development during which a person or animal is best suited to learn a particular skill or behavior

an involuntary reaction or response 
- swallowing 

the period from birth to the age of two years- dramatic gains continue in height and weight

period from two years old to adolescence 

emotional ties that form people 

a fear of strangers

causes infants to cry or behave in other ways that indicate distress if their mothers leave them

parents bel