1. Chapter 16

2.  To produce hormones  Produce sex cells that are part of sexual reproduction

3. SPERM CELLEGG CELL  Sperm is produced in the testes  It takes 72 days for a sperm to mature  What reproductive hormone is produced by testes?  Testosterone  Testes are located in a pouch of skin called the scrotum  Sperm travels through tubes where they pick up a fluid called semen  Sperm Then leaves the body through a tube in the penis called the urethra  A woman is born with about 400,000 eggs  Eggs are produced in the ovaries and are released how often?  What reproductive hormone does the ovaries produce ?  Estrogen  The fallopian tube carries the egg to the uterus  During menstruation the egg is carried out the cervix and then through vagina or birth canal

4. MALEFEMALE  Produce sperm  Produce the hormone testosterone  Produce egg cells  Produce estrogen and other hormones  Nourish a developing baby until birth Why is the pituitary gland important? Signals the release of hormones in the testes and ovaries. It is also called the master gland

5. This fertilized egg is called a Zygote! Once the zygote divides into two cells up until the eighth week it is called an _______________________ From the 8 th week up until birth the developing human is called a _________________ the joining together of two special cells, one from each parent

7.  Uterus

8.  Amniotic sac – surrounds the embryo, filled with fluid and protects the unborn baby  The umbilical cord- rope like structure containing blood vessel  (20 inches)  Placenta- where substances are exchanged from one blood stream to another

9.  1. Labor- strong muscle contractions of the uterus cause the cervix to open  2. Delivery- the baby is pushed out of the uterus through the vagina.  Why does the head come out first?  3. Birth- pressure caused by muscle contraction briefly decrease baby oxygen supplies and endocrine releases adrenaline to increase baby heart rate.  What are other ways to assist a birth?  Caesarian  Forceps  Vacuum  underwater  drugs

10. IDENTICAL- SAME EGG FRATERNAL- DIFFERENT EGGS  Do identical twins have the same finger prints?  Why have twins become more popular?  What is Artificial Insemination?  What animals are AI widely used for ? What is in vitro?

11.  What day of the week are most babies born?  Wednesday  What month are most born?  August  For every 1,000 girls born, are there more or less boys?  More….1,049

12.  Steps taken to provide for the health of a pregnant female and her body  Obstetrician  Nutritious foods  Rest  Avoid drugs  Exercise  What are some things your parents did while they were pregnant with you or a sibling?

13.  Equipment which is uses sound waves to make pictures, and allows the doctor to see images of a fetus in the uterus

14.  Poor Nutrition  Alcohol…What is FAS  Drugs  Tobacco  Infections  STD’s  What advice would you give to a pregnant female to protect her developing baby?

15.  ABC video ABC video  c-section c-section

16.  Are you ready to be a parent?  NO  What is abstinence?

17.  Discuss your answers in your group(make sure to use discussion prompts)  Video Clip Video Clip  Complete bottom of worksheet  Class Discussion  What does it mean to take a chance?  Roll the Dice  Go to groups and open the envelopes  On the sheet of paper provided write down the Pro’s and Con’s of this chance  What does this all mean?