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Anatomy & Physiology: Reproductive System and Development

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  • Role of the hypothalamus and pituitary gland in female reproduction
    The hypothalamus signals the pituitary gland to release Follicle-Stimulating Hormone (FSH) at maturity, initiating the menstrual cycle.
  • Functions of the ovaries in the menstrual cycle
    The ovaries produce estrogen and progesterone to regulate the menstrual cycle and prepare the uterus for pregnancy.
  • What is negative feedback in hormonal regulation?
    A control system where the body monitors hormone levels and adjusts production to maintain balance, similar to a thermostat.
  • How does the reproductive system affect other body systems during pregnancy?
    It can disrupt homeostasis by affecting the respiratory, circulatory, and nervous systems to prioritize the developing embryo.
  • Key events in the first trimester of prenatal development
    Blastocyst implants in the uterus, placenta and umbilical cord form, and by week 11 the embryo is a fetus with all major organs present.
  • Major developments during the second trimester
    Cartilage skeleton converts to bone, fetus develops facial features, breathes amniotic fluid, and can suck its thumb.
  • What happens in the third trimester of prenatal development?
    Rapid growth occurs, including fat storage and lung maturation, preparing the fetus for birth.
  • Stages of the birth process
    Labor involves uterine contractions, delivery is the baby passing through the birth canal, and afterbirth is the delivery of the placenta.
  • Biological markers of childhood development
    Rapid growth, learning communication, and bone development requiring high calcium intake.
  • Characteristics of adulthood in human development
    Peak physical condition in the 20s, menopause in women usually in the 50s, and a decline in basal metabolic rate.
  • What triggers adolescence and puberty?
    The hypothalamus and pituitary gland trigger puberty, leading to development of secondary sex characteristics.
  • Examples of secondary sex characteristics during puberty
    Vocal changes, increased muscle mass, and hair growth.
  • Biblical perspective on gender according to the material
    Gender is a gift from God and should align with biological sex as created (referencing Matt. 19:4).
  • Biblical design of marriage
    Marriage is defined as a union between one man and one woman (Gen. 2:18, 24).
  • Challenges to biblical sexuality mentioned
    Pornography, sexual immorality, and gender identity struggles are seen as deviations from the original design caused by the Fall.
  • Christian goal regarding sexuality and the body
    To live in biblical wisdom, treat the body as a gift, and seek fulfillment through a relationship with Jesus Christ.
  • Christian perspective on end-of-life decisions
    Life belongs to God; suffering is met with grace, and death is the beginning of eternity, not the end.
  • What is Follicle-Stimulating Hormone (FSH) role in the menstrual cycle?
    FSH stimulates ovarian follicles to develop each month.
  • Function of progesterone in the menstrual cycle
    Produced by the corpus luteum, progesterone thickens the uterine lining to support pregnancy.
  • Body temperature changes during the menstrual cycle
    A slight rise in body temperature typically occurs during ovulation.
  • Prenatal milestone at weeks 4-6
    The heart and nervous system begin to form.
  • Significance of week 11 in prenatal development
    The embryo is officially a fetus with all major organs present.
  • What happens around week 22 of prenatal development?
    Cartilage begins converting to bone.