Question

Define:
1) Infancy -
2) Childhood -
3) Adolescence -
4) Adulthood -
5) Old age -

Don't given wrong answers. Don't copy from góogle. I will mark the correct answer as brainliest. Please .

Answer 1

Answer:

1. Infancy, among humans, the period of life between birth and the acquisition of language approximately one to two years later.

2.Childhood, period of the human lifespan between infancy and adolescence, extending from ages 1–2 to 12–13.

3.Researchers suggest adolescence undergo three primary developmental stages of adolescence and young adulthood --early adolescence, middle adolescence, and late adolescence/young adulthood.

4.Adulthood, the period in the human lifespan in which full physical and intellectual maturity have been attained. ... Adulthood is commonly thought of as beginning at age 20 or 21 years. Middle age, commencing at about 40 years, is followed by old age at about 60 years.

Explanation:

Old age refers to ages nearing or surpassing the life expectancy of human beings, and is thus the end of the human life cycle. Terms and euphemisms include old people, the elderly, OAPs, seniors, senior citizens, older adults, and the elders.

Answer 2

‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎We're asked to define the terms: Infancy, Childhood, Adolescence, Adulthood and Old age. What's common in these terms? These terms are stages in the human growth and development. Growth is a gradual process in which living organisms undergoes changes like increase in the size and number of the cells.

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1. INFANCY: This stage starts as soon as the child is born. It lasts till the age of two years. Growth occurs rapidly in this stage. The infants learn various activities like sit, stand, walk, etc in this stage.
2. CHILDHOOD: Generally, this stage ranges from the age of 2 to 12 years. Significant physical changes takes place during this stage. The growth occurs at a steady rate.
3. ADOLESCENCE: This is the stage when the body undergoes changes that lead to reproductive maturity. Adolescence begins around the age of 11 and lasts upto 18 or 19 years of age. It is the transitional stage from childhood to adulthood.
4. ADULTHOOD: At this stage, all the organs of a human will have achieved full growth. This stage occurs from the age of 18 years.
5. OLD AGE: The beginning of this stage differs in people. On an average, we can say, the age of 60 marks the onset of old age. During this phase, bones become brittle and muscles get weak.

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