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Questions and Answers
What are primary sexual characteristics for girls? (Select all that apply)
What are primary sexual characteristics for girls? (Select all that apply)
- Body hair develops
- The ovaries, uterus, vagina, labia, and clitoris enlarge in size (correct)
- First menstruation (correct)
- First ovulation (correct)
What are primary sexual characteristics for boys? (Select all that apply)
What are primary sexual characteristics for boys? (Select all that apply)
- Penis enlarges (correct)
- Facial hair appears
- First ejaculation (correct)
- Testes grow and start producing sperm (correct)
What are secondary sexual characteristics for girls? (Select all that apply)
What are secondary sexual characteristics for girls? (Select all that apply)
- Breasts develop (correct)
- Voice deepens
- Body hair develops including underarm hair and pubic hair (correct)
- Skin becomes oily (correct)
What are secondary sexual characteristics for boys? (Select all that apply)
What are secondary sexual characteristics for boys? (Select all that apply)
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What is the difference between primary and secondary sexual characteristics?
What is the difference between primary and secondary sexual characteristics?
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Study Notes
Primary Sexual Characteristics for Girls
- First ovulation marks the onset of fertility.
- First menstruation signifies the start of reproductive capability.
- Development and enlargement of reproductive organs: ovaries, uterus, vagina, labia, and clitoris.
Primary Sexual Characteristics for Boys
- Penis enlargement indicates sexual maturity.
- First ejaculation is a sign of functional reproductive capability.
- Testes grow and begin sperm production during puberty.
Secondary Sexual Characteristics for Girls
- Oily skin develops, often leading to acne.
- Growth of body hair including underarm and pubic hair.
- Breast development occurs as part of physical maturation.
Secondary Sexual Characteristics for Boys
- Appearance of facial hair marks the transition to adulthood.
- Oily skin becomes noticeable, similar to girls.
- Development of body hair, including pubic, underarm, chest, and arm hair.
Difference Between Primary and Secondary Sexual Characteristics
- Primary characteristics are directly related to reproduction; involve changes in genital organs during puberty.
- Secondary characteristics are non-reproductive changes that occur in both genders during puberty, not present at birth and include traits like body hair and voice changes.
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