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Human Development Created by Educational Technology Network
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Reproduction Pregnancy Embryo Dev. Birth Wild Card 10 20 30 40 50
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Question What does male and female gonads produce?
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Answer 1 – 10 Gametes
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Question What term is used when reproductive hormones begin?
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Answer 1 – 20 Puberty
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Question What hormone does both the male and female produce once puberty begins?
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Answer 1 – 30 Testosterone & Estrogen
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Question Hormones signal to ________ gland in brain to start producing hormone FSH.
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Answer 1 – 40 Pituitary Gland
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Question Rigorous activity in females may delay puberty. Why?
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Answer 1 – 50 Small fat deposits & lack of estrogen production
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Question How many sperm does it take to fertilize an egg?
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Answer 2 – 10 1
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Question The nucleus of the sperm and egg create a _______.
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Answer 2 – 20 Zygote
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Question Cleavage is another word for ______ ________.
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Answer 2 – 30 Cell Division
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Question ______________ helps forms the placenta from forming.
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Answer 2 – 40 Blastocyst
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Question __________ takes place approximately hours after fertilization.
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Answer 2 – 50 Mitosis
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Question When does pregnancy begin?
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Answer 3 – 10 As soon as implantation begins
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Question Between how many days after fertilization does implantation begin?
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Answer 3 – 20 6-10 days after
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Question What are the 3 layers that develop during embryo development?
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Answer 3 – 30 Endoderm, Mesoderm, & Ectoderm
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Question List 1 function of each layer of embryo development.
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Answer 3 – 40 Ectoderm: forms skin & nervous system
Mesoderm: forms kidneys, skeleton, muscles, blood vessels, & gonads Endoderm: forms lungs, and lining of digestive system
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Question What fluid protects the embryo?
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Answer 3 – 50 Amnion Fluid
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Question What is the meaning of gestation?
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Answer 4 – 10 How long is takes for a species to develop before birth
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Question Human gestation takes about how long?
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Answer 4 – 20 38 weeks, 9 months
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Question What are 3 things that technology can detect before or after birth?
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Answer 4 – 30 Infections, blood loss, chromosome abnormalities
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Question What are 2 factors that can cause birth abnormalities?
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Answer 4 – 40 Smoking when pregnant Drinking alcohol when pregnant
Pollutants (mercury levels) Radiation Drugs
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Question How many stages are there to birth a human?
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Answer 4 – 50 3
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Question Name 1 Chromosomal Abnormality?
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Answer 5 – 10 Down Syndrome
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Question How many trimesters are there in a human pregnancy?
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Answer 5 – 20 3
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Question True or False. In weeks 1-12 all major organs of embryo have begun to develop.
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Answer 5 – 30 True
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Question Name 1 of the 3 stages of birth?
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Answer 5 – 40 Dilation Expulsion Placental
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Question True or False. By week 4 of pregnancy, the embryo is 500 times the size of their original size.
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Answer 5 – 50 True
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