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Bell Ringer #5

Bell Ringer #5. Page 209 – Define terms Embryo, fetus, placenta and umbilical cord Page 208 Read “What to know about Conception” Define the terms in bold print Conception/Fertilization Heredity Chromosome Gene Sex-linked characteristics Genetic Counseling Amniocentesis Amniotic sac

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Bell Ringer #5

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  1. Bell Ringer #5 • Page 209 – Define terms • Embryo, fetus, placenta and umbilical cord • Page 208 • Read “What to know about Conception” • Define the terms in bold print • Conception/Fertilization • Heredity • Chromosome • Gene • Sex-linked characteristics • Genetic Counseling • Amniocentesis • Amniotic sac • Ultrasound

  2. Family Life Education Human Growth and Development

  3. Human Growth Cycle • Conception or Fertilization • Infancy • Childhood • Adolescence • Adulthood • Old Age

  4. Conception • The moment when the egg of the female is fertilized with the sperm from the male. • This begins the pregnancy stage for the female. • The pregnancy stage is broken down into Trimesters.

  5. 1st Trimester • From conception to 14 weeks • Develop morning sickness (can occur anytime during the day) • Sore and enlarged breasts • Vital during this stage for the female to get enough vitamins, minerals and nutrients necessary for growth and development. • Best to consult with a physician.

  6. 2nd Trimester • Lasts until the end of the seventh month and is usually the easiest stage of pregnancy. • Regain energy • Stomach will begin to expand and those around you will notice you are pregnant. • Morning sickness should go away, although some women will continue to have it. • Baby may begin to kick or move. • May find out whether it will be a boy or girl.

  7. 3rd Trimester • End of seventh month until delivery. • May become more sensitive, emotional or anxious (very natural feelings). • Worrying about what kind of mother you will be (psychological). • Increased weight of baby may cause back pain, giving feelings of discomfort or added anxiousness.

  8. Fetal Development • The fetus will develop into your baby in approximately nine months. • Many changes will take place for the mother and baby.

  9. Weekly Development • First Month (embryo) – Vital organs are forming and the brain and beginning of the spine are evident. • Fifth Week – Heart begins to beat and circulate blood. Arm and leg buds emerge. Brain, spinal cord and nervous system are established. • Sixth Week – Digestive system is forming and the arms and legs begin to grow.

  10. Weekly Dev. Cont. • Seventh Week–The umbilical cord joins the embryo to the placenta. Long bones and internal organs are developing. • Second Month (Fetus) – Human face, arms, legs, fingers, toes, elbows, knees, eyelids and bone cells are forming. • 12th week – Sex is distinguishable. Fingers and toes are moving. Teeth buds are present and the kidneys and bladder form. Baby is 2-4” long and weighs an ounce or two.

  11. Weekly Dev. Cont. • 16 weeks – Baby moves and kicks, sleeps and wakes. The baby can now swallow. Hair forms, digestion becomes active, and the fetus is pink in color. • 20 weeks–Spurt in baby’s growth. Internal organs are maturing, hair eyebrows and lashes are present. Baby increases storage of iron. Baby is 8-12” long and weighs about ½ pound.

  12. Weekly Dev. Cont. • 24 weeks – Baby’s skin is wrinkled. The baby has an audible heartbeat. • 28 weeks –Most rapid growth, red and wrinkled. Eyelids can open and close. Baby storing large amounts of calcium and iron. Fetus has a chance of surviving if born. Baby is 15” long and weighs 3 pounds.

  13. Weekly Dev. Cont. • 32 weeks – Weight gain and rapid growth. Settles in favorite position. Valuable fat increases. • 36 weeks – Baby gains ½ pound per week. Bones of head are soft and flexible. Baby has developed immunities. Now about 18” long and weighs 6 pounds. • 38-42 weeks (birth) – Organs are developed and the respiratory system is mature. Baby can be delivered now (full term).

  14. Infancy • Newborn to about 2 years of age. • Coordination develops • Start to develop teeth • Try to walk and talk • Baby is totally dependent on adults until walking and talking.

  15. Childhood • 2 years to Adolescence (puberty) • Bones solidly develop • Permanent teeth take the place of “baby teeth” • Development of intellectual skills

  16. Adolescence • The “teenage years” • The body becomes sexually mature • Continual growth of the body and intellect

  17. Adulthood • Body begins to slow down and stop growing physically. • Hair loss may occur and physical activity decreases. • Lifestyle habits have been formed (jobs, marriage, children, etc.) • Over 40 – Older adulthood. Begin to prepare for the elderly stage of life.

  18. Elderly (Old Age) • Usually over the age of 40, but most often one is considered “old” when they reach their mid-sixties. One will start to have a lot of lifestyle changes. • Retirement, grandchildren and loss of family members or partners are issues facing someone in this stage.

  19. Harrisonburg PregnancyCenter Using your resources: www.justthefacts.org

  20. END OF DAY 5

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