
Introduction: A sperm cell joins with a secondary oocyte and as a result a zygote is formed. This is followed by prenatal development. A new human being enters the world after 38 weeks of cell division, growth, and development of characteristic tissues and organs.

Answer to Problem 1CA
Growth is an increase in the size of the individual, whereas development is the continuous process by which an individual changes from one life phase to another.
Explanation of Solution
Growth refers to a process of increasing in size and it involves an increase in the number of cells as a result of mitosis, followed by the enlargement of cells.
Development is a process by which an individual changes from one phase to another. It includes two life phase, namely prenatal (begins with fertilization and ends at birth) and postnatal (begins at birth and ends with death).
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Chapter 20 Solutions
Hole's Essentials of Human Anatomy & Physiology
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