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155. 1st Trimester Development
Test Description: ScienceStudyGames.com
Instructions: Answer all questions to get your test result.
1) According to the video, a baby starts out the size of a_________seed
A
Pumpkin
B
Sesame
C
Carrot
D
Celery
2) The_________cells mass begin to organize and form into an embryo
A
Inner
B
Other
C
Outer
3) The baby's brain and spinal cord are visible during this stage or pregnancy.
A
False
B
True
4) This trimester is the time when______develops in the embryo.
A
Circulatory System
B
Nervous System
C
Hair
D
Neck
5) The embryo’s heart begins to beat in the second trimester
A
True
B
False
6) The embryo’s heart begins to beat in the first trimester
A
True
B
False
7) According to the video, the embryo resembles a ____________during the first trimester
A
Ant
B
Tadpole
C
Cat
D
Trout baby
8) Embryo’s get oxygen from the__________and umbilical cord
A
Feet
B
Cell Walls
C
Placenta
D
Spinal Cord
9) The fetus can open and close its_______and___________during this trimester
A
Mouth and Nose
B
Fingers and Toes
C
Ears and Nose
D
Eyes and Mouth
10) By week________the embryo losses its embryonic tail.
A
7
B
9
C
8
D
10
11) Nose, mouth and fingers are not developed during the first trimester.
A
False
B
True
12) At___________weeks the baby enters the fetal stages of pregnancy
A
4
B
3
C
10
D
9
13) The fetus can open and close its_______and___________during this trimester
A
Fingers and Toes
B
Mouth and Nose
C
Eyes and Mouth
D
Ears and Nose
*select an answer for all questions
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