Chapter 5 Land and Its Resources
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Transcript of Chapter 5 Land and Its Resources
Growth
Definition Measuring Growth Nutrition for a Children Curve and the Rate of Growth
Growth
Is the increase in body size Is the increase of number of cells Is the increase of weight The growth process is irreversible and
permanent Consumption of Food provides energy
and the building blocks needed for Growth
Increase in Height and Weight
Human Growth
Physical Changes Mental Changes Social Changes Spiritual Changes
Characteristic of Growth
Height = taller Weight = heavier
Growth Curve
Represent the growth rate of human in different stages
Growth Curve
5 Stages of Human Growth
Infancy: grows very quickly Childhood: slow growth Adolescence: grows very quickly Adulthood: minimal growth Old Age: negative growth
Growth Curve of Boys and Girls
At 4 years old, a boy will have a faster growth rate than a girl
Girls reach puberty at 12 and grow faster than boys who reach puberty at 14
Growth Curve of the Boys and Girls
Nutrition of a Children
Nutritious foods and Healthy Diet is needed for healthy growth of children
Important Minerals and Vitamin for Children
Mineral Sources Uses Deficiency
Iron Liver, Meat, Vegetables
Build hemoglobin
Anaemia
Calcium Cheese, eggs, milk
Builds strong teeth and bones, help blood clotting
Rickets
Vitamin C Citrus food, Guava, Green vegetables
Maintain healthy skin and gums, heal wounds quickly
Scurvy
Vitamin D Eggs, Butter, Milk, Fish
Help in the absorption of Calcium and phosphorus, form strong teeth and bones
Rickets
Important food Classes for Children
Nutrients Function
Carbohydrates Give energy
Fibre Prevent constipation
Proteins Build new cells
Oils and Fats Keep body warm, provide energy when needed