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Chapter 5: Growth

Chapter 5: Growth. THE PATERN OF HUMAN GROWTH Growth is a process that take place in all living things. 2. The process of growth involves i . increase in size of organism. ii. change in appearance of organism. iii. increase in number of cells.

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Chapter 5: Growth

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  1. Chapter 5: Growth THE PATERN OF HUMAN GROWTH • Growth is a process that take place in all living • things. 2. The process of growth involves i. increase in size of organism. ii. change in appearance of organism. iii. increase in number of cells. iv. development of organs function of organism.

  2. A. Human growth • 1. Growth in human beings can be measured in two ways namely by: • i. body weight • ii. body height • The growth process in human can be divided into several stages. At each stages, form, size and appearance of man change. • Generally, there are five stages of live in human: • infancy • childhood • adolescence • adulthood • old age • The five stages of live in human can be displayed by the growth curve. This growth curve is S-shaped or sigmoid. • Based on figure 5.1, growth in human is divided into the following stages. • Infancy • -infancy is from 0-1 year. The rate of growth is rapid. • Childhood • -childhood is from 1-12 years. The rate of growth is slower until adolescence. • adolescence • -Adolescence is from 12-20 years. The rate of growth increase slightly. • Adulthood • the rate of growth is constant or zero. This means that growth in human has stopped. Nevertheless, parts which grow throughout life are skin, nail and hair. • old age • - The rate is negative and the size of the human body reduces. This stages ends in death.

  3. Growth curve • Although the growth curve of human beings is generally sigmoid, but there is difference in the growth in men and women.

  4. The nutrients required and their importance • Protein – build new tissues in the body • Carbohydrates and fats – supply energy • Calcium, phosphorus and vitamin D – form strong teeth and bones. • Iron – forms red blood cell • Vitamins – build up the body’s resistance to diseases.

  5. Penutup 1. Baca Surah Al-`Ashr 2. Tasbih Kifarah.

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