1. Growth and Development
Chapter 17.3
Pages

2. Objectives
List defining characteristics of childhood, adolescence, and adulthood
Describe how puberty affects the male body
Describe how puberty affects the female body
Describe practices for maintaining reproductive health
Discuss how reproductive systems are affected by aging

3. Key Terms Empathy Altruism Puberty
STDs, (sexually transmitted diseases)
menopause

4. Infancy through Childhood
Infancy lasts for about one year
Is a time of enormous change
Infancy requires a special diet
Mother’s milk
Provides optimal nutrition and supports the immune system
or formula
Provides adequate nutrition, but little immune support
A baby may be “weaned” from liquids to semi-solid food
Infants begin to socialize, walk, and speak by 1 year old

5. Infancy through Childhood
Childhood, (lasts about 8-10 years)
The time between infancy and adolescence
Preschoolers develop reasoning and control
Motor control and exploration of the environment
Learning and organization, (school skills)
School-age children continue the process
Moral reasoning develops, (right and wrong)
Empathy and Altruism, (feelings of others and “me”)
Early versus Late “bloomers”

6. Adolescence
Puberty is the change from childhood to adulthood due to hormone production, (the age of the change varies due to many factors)
Genetics, nutrition, environmental factors
Most take three to five years to complete the process

7. Adolescence Females: ovaries begin to secrete estrogen
Preparing for the development of eggs for ovulation
And the development of secondary sex characteristics
Rounder shape, wider hips, larger breasts, and pubic hair and larger sex organs
Males: testes begin to secrete testosterone
Causing the production of sperm
And the development of secondary sex characteristics
Deeper voice, larger skeletal muscle, and facial hair, and pubic hair with larger sex organs

8. Adolescence Emotional changes Social changes
Hormone changes may cause “mood swings”
Conflicts may arise with parents
Social changes
A desire for greater freedom and self- expression
How to control sexual desires that accompany puberty
How to balance independence and security

9. Reproductive Health Sexually Transmitted Diseases, (STDs)
The problems
Many have no cure
HIV to AIDS, Genital Herpes, etc.
Transmission
Contact with bodily fluids
Vaginal, oral, or anal intercourse
How to avoid STDs
Abstain
It is difficult to tell if someone has a STDs

10. Menopause
Is defined as the time when a woman no longer menstruates and cannot conceive
In 1900 the average age of death was about years old
Women experienced menopause for only a few years
In 2000 the average age of death was 74 years old
Today women experience it for 25 years or more