Human Reproduction Fertilization Development Birth
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each of the black spaces below before clicking
on it to display the answer.
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| Muscular structure where the fetus develops | Uterus
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| Where fertilization takes place | Uterine/Fallopian tube
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| The structure in sperm containing enzymes to "eat" away at the layers around the egg | Acrosome
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| The very first cell after fertilization | Zygote
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| More than one sperm entering the egg | Polyspermy
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| Structure where nutrients and wastes are exchanged between mother and baby | Placenta
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| Structure that transports fetal blood back and forth to the placenta | Umbilical cord
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| An incision that enlarges the vaginal opening for childbirth | Episiotomy
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| Shaping of the embryo | Morphogenesis
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| Cells beginning to specialize | Differentiation
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| A lot of cell division but no growth | Cleavage
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| Site of blood cell formation | Yolk sac
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| Will become the umbilical cord | Allantois
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| Contains fluid to cushion and protect the embryo | Amnion
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| Will become the fetal half of the placenta | Chorion
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| The process of the embryo embedding itself into the uterine wall | Implantation
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| The jelly-like layer that surrounds the egg | Zona pellucida
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| Hollow ball of cells with an inner cell mass | Blastocyst
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| Fluid released from the breast before the milk comes in | Colostrum
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| The number of days in human gestation | 280
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| The first organ system to develop in the embryo | Nervous system
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| Fine hair covering the fetus | Lanugo
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| Name for the process of giving birth | Parturition
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| Stage of birth where a woman's "water breaks" | Stage 1
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| Fusion of the sperm nucleus and egg nucleus | Fertilization
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| Hormone involved in uterine contractions | Oxytocin
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| Term when the baby is positioned feet-first for birth | Breech
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| Hormone involved in making breastmilk | Prolactin
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| Stage of birth where the cervix dilates to 10 cm | Stage 1
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| Stage of birth where the baby is pushed out | Stage 2
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| Stage of birth where the afterbirth (placenta and umbilical cord) is delivered | Stage 3
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| A term for stretch marks | Striae gravidarium
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| False labor contractions | Braxton-Hicks
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| A tool used to break a woman's water during labor | Amniohook
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| The process where sperm are "activated" so they can fertilize an egg | Capacitation
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| A procedure to remove a baby from a woman's abdomen | Cesarean section
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| A medication commonly used as a form of pain relief during labor | Epidural
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| Membranous areas between the bones of the skull to allow flexibility of the baby's head during delivery | Fontanels
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| When a person leaks urine after coughing/sneezing/laughing | Incontinence
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| Structures in the embryo that will elongate into arms and legs | Limb buds
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| A white, greasy substance to protect the baby's skin from the amniotic fluid | Vernix caseosa
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Created by:
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