Body organs first begin to form and function during the period of the ; within 6 months,
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Body organs first begin to form and function during the period of the ; within 6 months, during the period of the , the organs are sufficiently functional to allow a chance of survival.
a. zygote; embryo
b. zygote; fetus
c. embryo; fetus
d. placenta; fetus
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Applied Sport Psychology Personal Growth To Peak Performance
ISBN: 9780078022708
7th Edition
Authors: Jean Williams, Vikki Krane
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