10 Questions
Which of the following is a primary sex characteristic?
Hair growth
During puberty, what happens to the voice of boys?
It becomes deeper
What are secondary sex characteristics?
Physical traits not essential to reproduction
Which of the following is a secondary sex characteristic that may develop in boys during puberty?
Hair growth under the arms
What is puberty?
The stage of development at which individuals become sexually mature
Sexual development takes place when humans are still inside the ______
womb
Primary sex characteristics: the anatomical traits essential to ______
reproduction
Secondary sex characteristics: physical traits not essential to reproduction that result from the actions of the so-called ______ and female hormones
male
Puberty is the stage of development at which individuals become ______
sexually mature
Arms, legs, hands, and feet may grow faster than the rest of the body. Your ______ will become deeper
voice
Study Notes
Sexual Development
- Primary sex characteristics are the anatomical traits essential to reproduction.
- Sexual development takes place when humans are still inside the womb.
Puberty
- Puberty is the stage of development at which individuals become sexually mature.
- During puberty, boys' voices deepen.
- Arms, legs, hands, and feet may grow faster than the rest of the body.
Primary vs. Secondary Sex Characteristics
- Primary sex characteristics are the anatomical traits essential to reproduction.
- Secondary sex characteristics are physical traits not essential to reproduction that result from the actions of male and female hormones.
- Facial hair is a secondary sex characteristic that may develop in boys during puberty.
Physical Changes During Puberty
- The voice becomes deeper.
Test your knowledge on the sexual self and its development with this insightful quiz. Explore primary and secondary sex characteristics, and discover the biological components that shape our sexual identities.
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