From Conception to Birth

Question 1

fertilized egg is produced from two gametes

Answer 1

zygote

Question 2

changes that turn fertilized off into newborn

Answer 2

prenatal development

Question 3

what are the prenatal developmental periods

Answer 3

1. zygotic period
2. embryonic period
3. fetal period

Question 4

zygote divides rapidly and implants in uterine wall

Answer 4

zygotic period

Question 5

brain and spine and major organs begin to form

Answer 5

embryonic period

Question 6

brain becomes more complex, fat builds, and size increases

Answer 6

fetal period

Question 7

after fertilization in zygotic period, zygotic travels down the

Answer 7

Fallopian tube and implants in the uterine wall

Question 8

nutrients and wastes are exchanged between mother and the developing child

Answer 8

placenta

Question 9

zygote once it is completely embedded into the uterine wall

Answer 9

embryo

Question 10

different layers of embryo

Answer 10

1. ectoderm
2. mesoderm
3. endoderm

Question 11

layer in the embryo which becomes the hair

Answer 11

ectoderm

Question 12

layer in the embryo which becomes the muscle

Answer 12

mesoderm

Question 13

layer in the embryo which becomes the lungs and digestive system

Answer 13

endoderm

Question 14

• containing veins and arteries

- connects the developing child to the placenta

Answer 14

umbilical cord

Question 15

what week is differentiation of ovaries and testes

Answer 15

week 9

Question 16

what week is circulatory system begins to function

Answer 16

week 12

Question 17

what week is movements felt by mother

Answer 17

week 16

Question 18

what week is eyebrow, eyelashes, vernix forms

Answer 18

week 20

Question 19

what week is age viability

Answer 19

week 22-28

Question 20

greasy substance that protects the fetus’s skin

Answer 20

vernix

Question 21

what week does senses active, baby can remember voices, music, tastes

Answer 21

week 22+

Question 22

age at which a fetus can survive outside the womb because most of its bodily systems function adequately

Answer 22

age of vialability

Question 23

effort to improve the human species by letting only people whose traits are valued by a society to mate and pass along their genes

Answer 23

eugenics

Question 24

which sperm and egg are mixed in a petri dish to create a zygote, which is then implanted into a woman’s uterus

Answer 24

in vitro fertilization