Biology, 16.05.2021 04:20 dangolstein03
Which of the following occur during the first trimester of development? (Choose ALL that apply.)
A. heartbeat can be heard
B. fetus turns to head down position
C. fetus "breathes" amniotic fluid
D. heart and brain begin to form
E. bones harden
F. arms and legs begin to develop
G. lungs fully develop
H. eyes open and blink
Answers: 2
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Which of the following occur during the first trimester of development? (Choose ALL that apply.)
A....
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