Chapter 4: Pregnancy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Cell | The smallest unit of life that is able to reproduce itself.
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| Sperm | The male sex cell.
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| Ovum | The female sex cell; also called the egg.
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| Conception | The union of the ovum and sperm cells.
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| Zygote | The single cell formed at conception; also called a fertilized egg.
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| Fallopian Tubes | Two hollow tubes that connect to the uterus and have fingerlike projections that reach toward each ovary.
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| Uterus | The organ in which the baby develops and is protected until birth.
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| Genetic Factors | Traits that are passed through the genes.
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| Chromosomes | Threadlike structures that carry genes in living cells.
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| Dominant Traits | Traits that always show in a person even if only one gene of the pair inherited for that trait.
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| Recessive Traits | Traits that typically do not show in a person unless both genes for the trait are inherited.
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| Multiple Pregnancy | Pregnancy in which two or more babies develop.
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| Fraternal | Term decribing children from multiple pregnancies who develop from two ova and differ in genetic makeup.
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| Chorion | Membrane that surrounds the baby in the uterus.
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| Idential | Term describing children from multiple pregnancies who develop from one fertilized ovum and have the same genetic makeup.
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| Prenatal Development | The development that takes place vetween conception and birth.
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| Germinal Stage | The first stage of prenatal development, which lasts about two weeks after conception.
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| Amnion | A fluid-filled sac that surrounds the baby in the uterus.
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| Placenta | An organ filled with blood vessels that nourishes the baby in the uterus.
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| Umbilical Cord | The cord that connects the baby to the placenta.
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| Embryonic Stage | The second stage of prenatal development, which lasts about six weeks.
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| Embryo | Term used to describe a baby in the embryonic stage of development.
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| Cartilage | Soft, elastic, flexible tissue that provides structure for the body.
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| Fetal Stage | The third stage of pregnancy, lasting from about nine weeks after conception until birth.
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| Fetus | Term used to describe a baby in the fetal stage of development.
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| Quickening | Movements of the fetus that can be felt by the mother.
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| Age of Viability | The age at which most babies could survive if they were born (28th week of pregnancy).
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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