Sexual Characteristics Flashcards
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Questions and Answers

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)

  • 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)

  • 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)

    <p>Skin becomes oily</p> Signup and view all the answers

    What is the difference between primary and secondary sexual characteristics?

    <p>Primary sexual characteristics are the parts of the body directly involved in reproduction, while secondary sexual characteristics arise from changes during puberty that are not directly related to reproduction.</p> Signup and view all the answers

    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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    Description

    This quiz covers primary and secondary sexual characteristics in boys and girls. Learn about the physiological changes that occur during puberty for both genders. Each flashcard provides definitions and key information to enhance your understanding of human development.

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