conception chapter 4: pregnancy. conception a cell is the smallest unit of life that is able to...
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Conception
Chapter 4: Pregnancy
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ConceptionA cell is the smallest unit of life that is able
to reproduce itself
Life begins with the joining of two separate cells-one from the male and one from the female
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Germ CellsThe male germ cell or sex cell is called the
sperm
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Germ CellsThe female germ cell or sex cell is called
the ovum (egg).
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conceptionThe joining of these two germ cells is called
conception
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ZygoteAt conception, ovum and sperm combine to
form a single cell called a zygote
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White Board Review!
The male sex cell is called……….?
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White Board Review!
The joining of the germ cells is called……….?
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White Board Review!
The female sex cell is called……….?
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White Board Review!
The cell formed after conception is referred to as the ……….?
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Female Reproductive System
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How do these cells meet?Ovum are produced and stored in the woman’s
ovary
Around the middle of each menstrual cycle, one ovum is released during ovulation
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Female Reproductive SystemWhen the egg is released, it travels towards
the fallopian tubes
These are two hollow tubes that extend from the right and left sides of the uterus
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Female Reproductive SystemThe uterus is the organ in which the baby
develops and is protected until birth
One end of each fallopian tube is connected to the uterus
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Female Reproductive SysteOnce inside the fallopian tube, the ovum
moves very slowly.
Here, the ovum is ready and available to be joined by a sperm
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ConceptionSemen, a liquid which contains over 300
million sperm, inters the body during intercourse.
These sperm begin a journey to the ovum that lasts only minutes
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Sperm TravelMany sperm do not survive, only 300-500
reach the fallopian tube
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Sperm and Egg MeetThe sperm approach the ovum and try and
break through the surface
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Sperm and Egg MeetOnly one sperm successfully enters. Once
accepted, no other sperm can enter the ovum.
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ImplantationConception has occurred, and the zygote
forms
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Short Story // Comic StripWrite a short story or a comic strip
depicting the process of conception. You must use all vocabulary learned from today’s lesson.
Stories and Comics must include colorful pictures to illustrate the process.