| A | B |
|---|
| What is the joining of the male and female sex cells called? | fertilization |
| What is it called when the male's erect penis is placed inside the female's vagina and he releases semen? | sexual intercourse |
| How many sperm cells join with each egg cell? | one |
| What happens to the rest of the millions of unused sperm cells not needed for fertilization? | they die off |
| After fertilization, the egg cell begins to perform mitosis and then it sinks into the lining of the ........ | uterus or womb |
| What is the only type of twin that can produce a boy and a girl? | fraternal twins |
| How many sperm cells are used to produce fraternal twins? | two |
| How many egg cells are used to produce fraternal twins? | two |
| How many egg cells are used to produce identical twins? | one |
| How many sperm cells are used to produce identical twins? | one |
| What sex are identical twins? | either both boys or both girls |
| How many egg cells are used to produce siamese twins? | one |
| How many sperm cells are used to produce siamese twins? | one |
| What sex are siamese twins? | either both boys or both girls |
| From fertilization to around the 3rd month the developing baby is known as a(n) ...... | embryo |
| From around the 3rd month until birth, the baby is known as a(n) ...... | fetus |
| How long is a normal pregnancy? | around 9 months |
| Name the clear fluid that surrounds the baby during the pregnancy. | amnion |
| Name the supply line that connects the baby's belly button to the mother's placenta. | umbilical cord |
| Name the organ that sends supplies between the mother's blood supply and the baby's blood supply. | placenta |
| A baby born before 9 months that survives is known as a(n) .... | premature baby |
| A baby that is born before 9 months but does not survive is known as a(n) ..... | miscarriage |
| When women have muscle contractions of the uterus to push out the baby it is known as ...... | labor |
| How long does labor normally last? | 8 - 18 hours |
| What part of the baby is normally born first? | the head |
| What happens to remaining stump of the umbilical cord that is still attached to the baby after birth? | it falls off after a few days |
| What is contained inside the afterbirth? | the rest of the umbilical cord and the placenta |
| How much does the average baby weigh? | around 7 pounds |
| Baby born feet or buttocks first are known as .... | breech births |
| When the doctors cut into the uterus to remove the baby, it is an operation called a ... | cesarean section |
| Name two things women practice in the natural childbirth classes like LaMaze classes. | breathing technics to ease the pain of labor and special exercises to strengthen the birthing muscles |
