science form3 chapter 5 growth

1. GROWTH

2. Definision of growth
 Increase in
:height
:weight
:number of cells
:length of bones
 Change in body shape and function
 Maturity of mind and emotions

3. Characteristics of growth
 In humans, the growth curve can be
divided into five stage
stage 1 - infancy
stage 2 - childhood
stage 3 - adolescence
stage 4 - adult hood
stage 5 - old age

4. 5 stage of human growth
 Infancy: grows very quickly
(0-2 years)
 Childhood: slow growth
(2-12/14 years)
 Adolescence: grows very quickly
(12-20 years)
 Adulthood: minimal growth
(21-65 years)
 Old age: negative growth
(65 years and above)