Reproductive Hormones - Puberty & Menstrual Cycle

Cards (31)

  • What is the main topic of the video?
    Puberty and the menstrual cycle
  • What triggers puberty in adolescents?
    Reproductive hormones
  • What are the four stages of the menstrual cycle?
    Menstruation, buildup, ovulation, maintenance
  • What happens during puberty?
    Development of secondary sexual characteristics
  • At what ages does puberty usually begin?
    Between 8 and 14 years
  • What hormone triggers puberty in males?
    Testosterone
  • What hormone triggers puberty in females?
    Estrogen
  • What does estrogen trigger in females during puberty?
    Menstrual cycle and physical changes
  • What is the role of the uterus in the menstrual cycle?
    Builds up and breaks down lining
  • What are the ovaries responsible for?
    Storing eggs and producing hormones
  • What is the average length of a menstrual cycle?
    Around 28 days
  • What does stage one of the menstrual cycle involve?
    Menstruation and bleeding
  • How long does menstruation typically last?
    About 4 days
  • What occurs during stage two of the menstrual cycle?
    Uterus lining builds up
  • What is the purpose of the thick spongy layer in stage two?
    To prepare for a fertilized egg
  • What happens during ovulation?
    The egg is released from the ovary
  • How long does ovulation last?
    One day
  • What happens if no fertilized egg reaches the uterus?
    The cycle restarts with menstruation
  • What occurs if a fertilized egg implants in the uterus?
    The menstrual cycle stops
  • What hormone stimulates the growth of the uterus lining?
    Estrogen
  • What role does progesterone play in the menstrual cycle?
    Maintains the uterus lining
  • What happens to progesterone levels if the egg is not fertilized?
    They drop, causing lining breakdown
  • What is the function of FSH in the menstrual cycle?
    Stimulates egg maturation in ovaries
  • What does LH do during the menstrual cycle?
    Stimulates egg release on day 14
  • Where are FSH and LH produced?
    In the pituitary gland
  • How do estrogen and FSH interact during the menstrual cycle?
    Estrogen inhibits FSH release
  • What is negative feedback in the context of hormone regulation?
    High hormone levels inhibit their own release
  • What happens to LH levels during ovulation?
    They spike, causing ovulation
  • What occurs at the end of the menstrual cycle?
    Progesterone levels increase, inhibiting LH and FSH
  • Where can students find additional resources related to this topic?
    On the website cognito.org
  • What types of resources are available on the cognito.org website?
    Videos, questions, flashcards, and progress tracking